The coal miners have come out for about two weeks.

煤矿工人已罢工约两周了。

Coal miners have to work under the ground.

煤矿工人须在地下工作。

The auxiliary shaft topsoil adopted ordinary construction and drainages in hygrometric well.

屯留煤矿副井井筒表土段采用普通法施工,利用井外水井疏干水。

Some colliers squatted upon their hunkers against the wall.

有几个煤矿工人靠著墙蹲著。

The geologist proves up a coal deposits.

地质学家探明了一个煤矿的藏量。

The new muffler device has simple structure,it has lesser effect on the resistance loss of chief ventil...

该装置结构简单,对主要通风机的阻力损失影响小,防尘、防潮及噪效果明显,可广泛的应用于煤矿主要通风机的噪。

They are mining for coal.

他们在开采煤矿。

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃煤矿护现状,探讨了护参数优化设计的必要性和重要性。

The harnessing of noise and smust to boiler are studied,pugging and ventilation are adopted to harnest noise of fan.

通过对煤矿锅炉噪治理和烟尘治理的研究,阐述了通过采用隔罩和机械通风冷却设施对引风机和鼓风机的噪治理。

The coal miners struck.

煤矿工人罢工了。

For maintenance convenience,many electric switches for mine are adopted pinboard construction in order to reduce effect of coal mine production.

为了维修方便,许多矿用电气开关采用插接式结构,以减少对煤矿生产的影响。

Excavate coal is primary production link in coal mine production, therefor, Weaving excavate coal working face supersedure plan has instructional meaning.

采煤是煤矿生产中的主要生产环节,因而编制采煤工作面接替计划对煤矿生产具有指导性意义。

The shortwall ladder prop mining method namely strip extraction has been more extensively applied currently in small coal mine of Shaanxi province.

短壁刀柱采煤法即条带开采,目前在陕西省小煤矿开采中较广泛应用。

The problems existed in electric supply protection for coal mine are introduced,and the features and result of the computerisation reform plan are provided.

介绍了煤矿供电保护存在的问题,提出了微机化改造方案的特点、效果等。

The paper intrduces the exchange CENTREX, dispatching equipment and the com-bination of them, and puts forward the methods of improving coalmining communication capabili-ty.

将交换机CENTREX功能用于煤矿调度机,从而提高煤矿通信的综合能力。

Large scale planar geological mapping, profiling survey and microfabric analyses proved that lithophysa structure was developed in rhyolite in Yingcheng coal mine area, Jiutai City.

摘要通过大比例尺平面地质续图、剖面测量和显微组构分析，九台营城煤矿区流纹岩中石泡构造发育。

Aiming at difficulties in supporting dilatable soft rock roadway, control method was put forward to control effectively deformation and failure of dilatable soft rock roadway in Hongmiao Colliery.

针对红庙煤矿膨胀性软岩巷道存在的难题，给出了针对性的巷道控制方案，并在实践中得到了验证，有效地控制了红庙煤矿膨胀性软岩巷道的变形和破坏。

For the purpose of the development and utilization of the argilla re sources in Huaibei, the activation of coal-argilla taken from Zhuzhuang coal mi ne was studied as representative sample.

为开发利用淮北矿区高岭土资源,以该区朱庄煤矿煤系高岭土为代表样品行高岭土的活化研究。

The coal miners have come out for about two weeks.

煤矿工人已罢工约两周了。

Coal miners have to work under the ground.

煤矿工人须在地下工作。

The auxiliary shaft topsoil adopted ordinary construction and drainages in hygrometric well.

屯留煤矿副井井筒表土段采用普通法施工,利用井外降水井疏干降水。

Some colliers squatted upon their hunkers against the wall.

有几个煤矿工人靠著墙蹲著。

The geologist proves up a coal deposits.

地质学家探明了一个煤矿的藏量。

The new muffler device has simple structure,it has lesser effect on the resistance loss of chief ventil...

该消声构简单,对主要通风的阻力损失影响小,防尘、防潮及降噪效果明显,可广泛的应用于煤矿主要通风的消声降噪。

They are mining for coal.

他们在开采煤矿。

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

合跃煤矿锚杆支护现状,探讨了锚杆支护参数优化设计的必要性重要性。

The harnessing of noise and smust to boiler are studied,pugging and ventilation are adopted to harnest noise of fan.

通过对煤矿锅炉噪声治理烟尘治理的研究,阐述了通过采用隔声械通风冷却设施对引风鼓风的降噪治理。

The coal miners struck.

煤矿工人罢工了。

For maintenance convenience,many electric switches for mine are adopted pinboard construction in order to reduce effect of coal mine production.

为了维修方便,许多矿用电气开关采用插接式构,以减少对煤矿生产的影响。

Excavate coal is primary production link in coal mine production, therefor, Weaving excavate coal working face supersedure plan has instructional meaning.

采煤是煤矿生产中的主要生产环节,因而编制采煤工作面接替计划对煤矿生产具有指导性意义。

The shortwall ladder prop mining method namely strip extraction has been more extensively applied currently in small coal mine of Shaanxi province.

短壁刀柱采煤法即条带开采,目前在陕西省小煤矿开采中较广泛应用。

The problems existed in electric supply protection for coal mine are introduced,and the features and result of the computerisation reform plan are provided.

介绍了煤矿供电保护存在的问题,提出了微化改造方案的特点、效果等。

The paper intrduces the exchange CENTREX, dispatching equipment and the com-bination of them, and puts forward the methods of improving coalmining communication capabili-ty.

将交换CENTREX功能用于煤矿调度,从而提高煤矿通信的综合能力。

Large scale planar geological mapping, profiling survey and microfabric analyses proved that lithophysa structure was developed in rhyolite in Yingcheng coal mine area, Jiutai City.

摘要通过大比例尺平面地质续图、剖面测量显微组构分析，九台营城煤矿区流纹岩中石泡构造发育。

Aiming at difficulties in supporting dilatable soft rock roadway, control method was put forward to control effectively deformation and failure of dilatable soft rock roadway in Hongmiao Colliery.

针对红庙煤矿膨胀性软岩巷道存在的难题，给出了针对性的巷道控制方案，并在实践中得到了验证，有效地控制了红庙煤矿膨胀性软岩巷道的变形破坏。

For the purpose of the development and utilization of the argilla re sources in Huaibei, the activation of coal-argilla taken from Zhuzhuang coal mi ne was studied as representative sample.

为开发利用淮北矿区高岭土资源,以该区朱庄煤矿煤系高岭土为代表样品行高岭土的活化研究。

The coal miners have come out for about two weeks.

已约两周了。

Coal miners have to work under the ground.

须在地下作。

The auxiliary shaft topsoil adopted ordinary construction and drainages in hygrometric well.

屯留副井井筒表土段采用普通法施,利用井外降水井疏干降水。

Some colliers squatted upon their hunkers against the wall.

有几个靠著墙蹲著。

The geologist proves up a coal deposits.

地质学家探明了一个的藏量。

The new muffler device has simple structure,it has lesser effect on the resistance loss of chief ventil...

该消声装置结构简单,对主要通风机的阻力损失影响小,防尘、防潮及降噪效果明显,可广泛的应用于主要通风机的消声降噪。

They are mining for coal.

他们在开采。

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃锚杆支护现状,探讨了锚杆支护参数优化设计的必要性和重要性。

The harnessing of noise and smust to boiler are studied,pugging and ventilation are adopted to harnest noise of fan.

通过对锅炉噪声治理和烟尘治理的研究,阐述了通过采用隔声罩和机械通风冷却设施对引风机和鼓风机的降噪治理。

The coal miners struck.

了。

For maintenance convenience,many electric switches for mine are adopted pinboard construction in order to reduce effect of coal mine production.

为了维修方便,许多用电气开关采用插接式结构,以减少对生产的影响。

Excavate coal is primary production link in coal mine production, therefor, Weaving excavate coal working face supersedure plan has instructional meaning.

采是生产中的主要生产环节,因而编制采作面接替计划对生产具有指导性意义。

The shortwall ladder prop mining method namely strip extraction has been more extensively applied currently in small coal mine of Shaanxi province.

短壁刀柱采法即条带开采,目前在陕西省小开采中较广泛应用。

The problems existed in electric supply protection for coal mine are introduced,and the features and result of the computerisation reform plan are provided.

介绍了供电保护存在的问题,提出了微机化改造方案的特点、效果等。

The paper intrduces the exchange CENTREX, dispatching equipment and the com-bination of them, and puts forward the methods of improving coalmining communication capabili-ty.

将交换机CENTREX功能用于调度机,从而提高通信的综合能力。

Large scale planar geological mapping, profiling survey and microfabric analyses proved that lithophysa structure was developed in rhyolite in Yingcheng coal mine area, Jiutai City.

摘要通过大比例尺平面地质续图、剖面测量和显微组构分析，九台营城区流纹岩中石泡构造发育。

Aiming at difficulties in supporting dilatable soft rock roadway, control method was put forward to control effectively deformation and failure of dilatable soft rock roadway in Hongmiao Colliery.

针对红庙膨胀性软岩巷道存在的难题，给出了针对性的巷道控制方案，并在实践中得到了验证，有效地控制了红庙膨胀性软岩巷道的变形和破坏。

For the purpose of the development and utilization of the argilla re sources in Huaibei, the activation of coal-argilla taken from Zhuzhuang coal mi ne was studied as representative sample.

为开发利用淮北区高岭土资源,以该区朱庄系高岭土为代表样品行高岭土的活化研究。

The coal miners have come out for about two weeks.

煤矿人已罢约两周了。

Coal miners have to work under the ground.

煤矿人须在地下作。

The auxiliary shaft topsoil adopted ordinary construction and drainages in hygrometric well.

屯留煤矿副井井筒表土段采普通法施,井外降水井疏干降水。

Some colliers squatted upon their hunkers against the wall.

有几个煤矿人靠著墙蹲著。

The geologist proves up a coal deposits.

地质学家探明了一个煤矿的藏量。

The new muffler device has simple structure,it has lesser effect on the resistance loss of chief ventil...

该消声装置结构简单,对主要通风机的阻力损失影响小,防尘、防潮及降噪效果明显,可广泛的应于煤矿主要通风机的消声降噪。

They are mining for coal.

他们在采煤矿。

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃煤矿锚杆支护现状,探讨了锚杆支护参数优化设计的必要性和重要性。

The harnessing of noise and smust to boiler are studied,pugging and ventilation are adopted to harnest noise of fan.

通过对煤矿锅炉噪声治理和烟尘治理的研究,阐述了通过采隔声罩和机械通风冷却设施对引风机和鼓风机的降噪治理。

The coal miners struck.

煤矿人罢了。

For maintenance convenience,many electric switches for mine are adopted pinboard construction in order to reduce effect of coal mine production.

为了维修方便,许多矿电采插接式结构,以减少对煤矿生产的影响。

Excavate coal is primary production link in coal mine production, therefor, Weaving excavate coal working face supersedure plan has instructional meaning.

采煤是煤矿生产中的主要生产环节,因而编制采煤作面接替计划对煤矿生产具有指导性意义。

The shortwall ladder prop mining method namely strip extraction has been more extensively applied currently in small coal mine of Shaanxi province.

短壁刀柱采煤法即条带采,目前在陕西省小煤矿采中较广泛应。

The problems existed in electric supply protection for coal mine are introduced,and the features and result of the computerisation reform plan are provided.

介绍了煤矿供电保护存在的问题,提出了微机化改造方案的特点、效果等。

The paper intrduces the exchange CENTREX, dispatching equipment and the com-bination of them, and puts forward the methods of improving coalmining communication capabili-ty.

将交换机CENTREX功能于煤矿调度机,从而提高煤矿通信的综合能力。

Large scale planar geological mapping, profiling survey and microfabric analyses proved that lithophysa structure was developed in rhyolite in Yingcheng coal mine area, Jiutai City.

摘要通过大比例尺平面地质续图、剖面测量和显微组构分析，九台营城煤矿区流纹岩中石泡构造发育。

Aiming at difficulties in supporting dilatable soft rock roadway, control method was put forward to control effectively deformation and failure of dilatable soft rock roadway in Hongmiao Colliery.

针对红庙煤矿膨胀性软岩巷道存在的难题，给出了针对性的巷道控制方案，并在实践中得到了验证，有效地控制了红庙煤矿膨胀性软岩巷道的变形和破坏。

For the purpose of the development and utilization of the argilla re sources in Huaibei, the activation of coal-argilla taken from Zhuzhuang coal mi ne was studied as representative sample.

为发淮北矿区高岭土资源,以该区朱庄煤矿煤系高岭土为代表样品行高岭土的活化研究。

The coal miners have come out for about two weeks.

煤矿工人已罢工约两周了。

Coal miners have to work under the ground.

煤矿工人须在地下工作。

The auxiliary shaft topsoil adopted ordinary construction and drainages in hygrometric well.

屯留煤矿副井井筒表土段采用普法施工,利用井外降水井疏干降水。

Some colliers squatted upon their hunkers against the wall.

有几个煤矿工人靠著墙蹲著。

The geologist proves up a coal deposits.

地质学家探明了一个煤矿的藏量。

The new muffler device has simple structure,it has lesser effect on the resistance loss of chief ventil...

该消声装置结构简单,对主机的阻力损失影响小,防尘、防潮及降噪效果明显,可广泛的应用于煤矿主机的消声降噪。

They are mining for coal.

他们在开采煤矿。

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃煤矿锚杆支护现状,探讨了锚杆支护参设计的必性和重性。

The harnessing of noise and smust to boiler are studied,pugging and ventilation are adopted to harnest noise of fan.

过对煤矿锅炉噪声治理和烟尘治理的研究,阐述了过采用隔声罩和机械冷却设施对引机和鼓机的降噪治理。

The coal miners struck.

煤矿工人罢工了。

For maintenance convenience,many electric switches for mine are adopted pinboard construction in order to reduce effect of coal mine production.

为了维修方便,许多矿用电气开关采用插接式结构,以减少对煤矿生产的影响。

Excavate coal is primary production link in coal mine production, therefor, Weaving excavate coal working face supersedure plan has instructional meaning.

采煤是煤矿生产中的主生产环节,因而编制采煤工作面接替计划对煤矿生产具有指导性意义。

The shortwall ladder prop mining method namely strip extraction has been more extensively applied currently in small coal mine of Shaanxi province.

短壁刀柱采煤法即条带开采,目前在陕西省小煤矿开采中较广泛应用。

The problems existed in electric supply protection for coal mine are introduced,and the features and result of the computerisation reform plan are provided.

介绍了煤矿供电保护存在的问题,提出了微机改造方案的特点、效果等。

The paper intrduces the exchange CENTREX, dispatching equipment and the com-bination of them, and puts forward the methods of improving coalmining communication capabili-ty.

将交换机CENTREX功能用于煤矿调度机,从而提高煤矿信的综合能力。

Large scale planar geological mapping, profiling survey and microfabric analyses proved that lithophysa structure was developed in rhyolite in Yingcheng coal mine area, Jiutai City.

摘过大比例尺平面地质续图、剖面测量和显微组构分析，九台营城煤矿区流纹岩中石泡构造发育。

Aiming at difficulties in supporting dilatable soft rock roadway, control method was put forward to control effectively deformation and failure of dilatable soft rock roadway in Hongmiao Colliery.

针对红庙煤矿膨胀性软岩巷道存在的难题，给出了针对性的巷道控制方案，并在实践中得到了验证，有效地控制了红庙煤矿膨胀性软岩巷道的变形和破坏。

For the purpose of the development and utilization of the argilla re sources in Huaibei, the activation of coal-argilla taken from Zhuzhuang coal mi ne was studied as representative sample.

为开发利用淮北矿区高岭土资源,以该区朱庄煤矿煤系高岭土为代表样品行高岭土的活研究。

The coal miners have come out for about two weeks.

煤矿工人已罢工约两周了。

Coal miners have to work under the ground.

煤矿工人须在地下工作。

The auxiliary shaft topsoil adopted ordinary construction and drainages in hygrometric well.

屯留煤矿副井井筒表土段采用普法施工,利用井外降水井疏干降水。

Some colliers squatted upon their hunkers against the wall.

有几个煤矿工人靠著墙蹲著。

The geologist proves up a coal deposits.

地质学家探明了一个煤矿的藏量。

The new muffler device has simple structure,it has lesser effect on the resistance loss of chief ventil...

装置结构简单,对主要机的阻力损失影响小,防尘、防潮及降噪效果明显,可广泛的应用于煤矿主要机的降噪。

They are mining for coal.

他们在开采煤矿。

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃煤矿锚杆支护现状,探讨了锚杆支护参数优化设计的必要性和重要性。

The harnessing of noise and smust to boiler are studied,pugging and ventilation are adopted to harnest noise of fan.

过对煤矿锅炉噪治理和烟尘治理的研究,阐述了过采用隔罩和机冷却设施对引机和鼓机的降噪治理。

The coal miners struck.

煤矿工人罢工了。

For maintenance convenience,many electric switches for mine are adopted pinboard construction in order to reduce effect of coal mine production.

为了维修方便,许多矿用电气开关采用插接式结构,以减少对煤矿生产的影响。

Excavate coal is primary production link in coal mine production, therefor, Weaving excavate coal working face supersedure plan has instructional meaning.

采煤是煤矿生产中的主要生产环节,因而编制采煤工作面接替计划对煤矿生产具有指导性意义。

The shortwall ladder prop mining method namely strip extraction has been more extensively applied currently in small coal mine of Shaanxi province.

短壁刀柱采煤法即条带开采,目前在陕西省小煤矿开采中较广泛应用。

The problems existed in electric supply protection for coal mine are introduced,and the features and result of the computerisation reform plan are provided.

介绍了煤矿供电保护存在的问题,提出了微机化改造方案的特点、效果等。

The paper intrduces the exchange CENTREX, dispatching equipment and the com-bination of them, and puts forward the methods of improving coalmining communication capabili-ty.

将交换机CENTREX功能用于煤矿调度机,从而提高煤矿信的综合能力。

Large scale planar geological mapping, profiling survey and microfabric analyses proved that lithophysa structure was developed in rhyolite in Yingcheng coal mine area, Jiutai City.

摘要过大比例尺平面地质续图、剖面测量和显微组构分析，九台营城煤矿区流纹岩中石泡构造发育。

Aiming at difficulties in supporting dilatable soft rock roadway, control method was put forward to control effectively deformation and failure of dilatable soft rock roadway in Hongmiao Colliery.

针对红庙煤矿膨胀性软岩巷道存在的难题，给出了针对性的巷道控制方案，并在实践中得到了验证，有效地控制了红庙煤矿膨胀性软岩巷道的变形和破坏。

For the purpose of the development and utilization of the argilla re sources in Huaibei, the activation of coal-argilla taken from Zhuzhuang coal mi ne was studied as representative sample.

为开发利用淮北矿区高岭土资源,以区朱庄煤矿煤系高岭土为代表样品行高岭土的活化研究。

The coal miners have come out for about two weeks.

煤矿工人已罢工约两周了。

Coal miners have to work under the ground.

煤矿工人须在下工作。

The auxiliary shaft topsoil adopted ordinary construction and drainages in hygrometric well.

屯留煤矿副井井筒表土段采用普通法施工,利用井外水井疏干水。

Some colliers squatted upon their hunkers against the wall.

有几个煤矿工人靠墙。

The geologist proves up a coal deposits.

质学家探明了一个煤矿的藏量。

The new muffler device has simple structure,it has lesser effect on the resistance loss of chief ventil...

该消声装置结构简单,对主要通风机的阻力损失影响小,防尘、防潮及效果明显,可广泛的应用于煤矿主要通风机的消声。

They are mining for coal.

他们在开采煤矿。

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃煤矿锚杆支护现状,探讨了锚杆支护参数优化设计的必要性和重要性。

The harnessing of noise and smust to boiler are studied,pugging and ventilation are adopted to harnest noise of fan.

通过对煤矿锅炉声理和烟尘理的研究,阐述了通过采用隔声罩和机械通风冷却设施对引风机和鼓风机的理。

The coal miners struck.

煤矿工人罢工了。

For maintenance convenience,many electric switches for mine are adopted pinboard construction in order to reduce effect of coal mine production.

为了维修方便,许多矿用电气开关采用插接式结构,以减少对煤矿生产的影响。

Excavate coal is primary production link in coal mine production, therefor, Weaving excavate coal working face supersedure plan has instructional meaning.

采煤是煤矿生产中的主要生产环节,因而编制采煤工作面接替计划对煤矿生产具有指导性意义。

The shortwall ladder prop mining method namely strip extraction has been more extensively applied currently in small coal mine of Shaanxi province.

短壁刀柱采煤法即条带开采,目前在陕西省小煤矿开采中较广泛应用。

The problems existed in electric supply protection for coal mine are introduced,and the features and result of the computerisation reform plan are provided.

介绍了煤矿供电保护存在的问题,提出了微机化改造方案的特点、效果等。

The paper intrduces the exchange CENTREX, dispatching equipment and the com-bination of them, and puts forward the methods of improving coalmining communication capabili-ty.

将交换机CENTREX功能用于煤矿调度机,从而提高煤矿通信的综合能力。

Large scale planar geological mapping, profiling survey and microfabric analyses proved that lithophysa structure was developed in rhyolite in Yingcheng coal mine area, Jiutai City.

摘要通过大比例尺平面质续图、剖面测量和显微组构分析，九台营城煤矿区流纹岩中石泡构造发育。

Aiming at difficulties in supporting dilatable soft rock roadway, control method was put forward to control effectively deformation and failure of dilatable soft rock roadway in Hongmiao Colliery.

针对红庙煤矿膨胀性软岩巷道存在的难题，给出了针对性的巷道控制方案，并在实践中得到了验证，有效控制了红庙煤矿膨胀性软岩巷道的变形和破坏。

For the purpose of the development and utilization of the argilla re sources in Huaibei, the activation of coal-argilla taken from Zhuzhuang coal mi ne was studied as representative sample.

为开发利用淮北矿区高岭土资源,以该区朱庄煤矿煤系高岭土为代表样品行高岭土的活化研究。

The coal miners have come out for about two weeks.

煤工人已罢工约两周了。

Coal miners have to work under the ground.

煤工人须在地下工作。

The auxiliary shaft topsoil adopted ordinary construction and drainages in hygrometric well.

屯留煤副井井筒表土段采普通法施工,利井井疏干。

Some colliers squatted upon their hunkers against the wall.

有几个煤工人靠著墙蹲著。

The geologist proves up a coal deposits.

地质学家探明了一个煤的藏量。

The new muffler device has simple structure,it has lesser effect on the resistance loss of chief ventil...

该消声装置结构简单,对主要通风机的阻力损失影响小,防尘、防潮及噪效果明显,可广泛的应于煤主要通风机的消声噪。

They are mining for coal.

他们在开采煤。

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃煤锚杆支护现状,探讨了锚杆支护参数优化设计的必要性和重要性。

The harnessing of noise and smust to boiler are studied,pugging and ventilation are adopted to harnest noise of fan.

通过对煤锅炉噪声治理和烟尘治理的研究,阐述了通过采隔声罩和机械通风冷却设施对引风机和鼓风机的噪治理。

The coal miners struck.

煤工人罢工了。

For maintenance convenience,many electric switches for mine are adopted pinboard construction in order to reduce effect of coal mine production.

为了维修方便,许电气开关采插接式结构,以减少对煤生产的影响。

Excavate coal is primary production link in coal mine production, therefor, Weaving excavate coal working face supersedure plan has instructional meaning.

采煤是煤生产中的主要生产环节,因而编制采煤工作面接替计划对煤生产具有指导性意义。

The shortwall ladder prop mining method namely strip extraction has been more extensively applied currently in small coal mine of Shaanxi province.

短壁刀柱采煤法即条带开采,目前在陕西省小煤开采中较广泛应。

The problems existed in electric supply protection for coal mine are introduced,and the features and result of the computerisation reform plan are provided.

介绍了煤供电保护存在的问题,提出了微机化改造方案的特点、效果等。

The paper intrduces the exchange CENTREX, dispatching equipment and the com-bination of them, and puts forward the methods of improving coalmining communication capabili-ty.

将交换机CENTREX功能于煤调度机,从而提高煤通信的综合能力。

Large scale planar geological mapping, profiling survey and microfabric analyses proved that lithophysa structure was developed in rhyolite in Yingcheng coal mine area, Jiutai City.

摘要通过大比例尺平面地质续图、剖面测量和显微组构分析，九台营城煤区流纹岩中石泡构造发育。

Aiming at difficulties in supporting dilatable soft rock roadway, control method was put forward to control effectively deformation and failure of dilatable soft rock roadway in Hongmiao Colliery.

针对红庙煤膨胀性软岩巷道存在的难题，给出了针对性的巷道控制方案，并在实践中得到了验证，有效地控制了红庙煤膨胀性软岩巷道的变形和破坏。

For the purpose of the development and utilization of the argilla re sources in Huaibei, the activation of coal-argilla taken from Zhuzhuang coal mi ne was studied as representative sample.

为开发利淮北区高岭土资源,以该区朱庄煤煤系高岭土为代表样品行高岭土的活化研究。

The coal miners have come out for about two weeks.

煤矿工人已罢工约两周。

Coal miners have to work under the ground.

煤矿工人须在地下工作。

The auxiliary shaft topsoil adopted ordinary construction and drainages in hygrometric well.

屯留煤矿副井井筒表土段采用普法施工,利用井外降水井疏干降水。

Some colliers squatted upon their hunkers against the wall.

有几个煤矿工人靠著墙蹲著。

The geologist proves up a coal deposits.

地质学家探明一个煤矿的藏量。

The new muffler device has simple structure,it has lesser effect on the resistance loss of chief ventil...

该消声装置结构简单,对风机的阻力损失影响小,防尘、防潮及降噪效果明显,可广泛的应用于煤矿风机的消声降噪。

They are mining for coal.

他们在开采煤矿。

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃煤矿锚杆支护现状,探讨锚杆支护参数优化设计的必性和重性。

The harnessing of noise and smust to boiler are studied,pugging and ventilation are adopted to harnest noise of fan.

对煤矿锅炉噪声治理和烟尘治理的研究,阐述采用隔声罩和机械风冷却设施对引风机和鼓风机的降噪治理。

The coal miners struck.

煤矿工人罢工。

For maintenance convenience,many electric switches for mine are adopted pinboard construction in order to reduce effect of coal mine production.

为维修方便,许多矿用电气开关采用插接式结构,以减少对煤矿生产的影响。

Excavate coal is primary production link in coal mine production, therefor, Weaving excavate coal working face supersedure plan has instructional meaning.

采煤是煤矿生产中的生产环节,因而编制采煤工作面接替计划对煤矿生产具有指导性意义。

The shortwall ladder prop mining method namely strip extraction has been more extensively applied currently in small coal mine of Shaanxi province.

短壁刀柱采煤法即条带开采,目前在陕西省小煤矿开采中较广泛应用。

The problems existed in electric supply protection for coal mine are introduced,and the features and result of the computerisation reform plan are provided.

介绍煤矿供电保护存在的问题,提出微机化改造方案的特点、效果等。

The paper intrduces the exchange CENTREX, dispatching equipment and the com-bination of them, and puts forward the methods of improving coalmining communication capabili-ty.

将交换机CENTREX功能用于煤矿调度机,从而提高煤矿信的综合能力。

Large scale planar geological mapping, profiling survey and microfabric analyses proved that lithophysa structure was developed in rhyolite in Yingcheng coal mine area, Jiutai City.

摘大比例尺平面地质续图、剖面测量和显微组构分析，九台营城煤矿区流纹岩中石泡构造发育。

Aiming at difficulties in supporting dilatable soft rock roadway, control method was put forward to control effectively deformation and failure of dilatable soft rock roadway in Hongmiao Colliery.

针对红庙煤矿膨胀性软岩巷道存在的难题，给出针对性的巷道控制方案，并在实践中得到验证，有效地控制红庙煤矿膨胀性软岩巷道的变形和破坏。

For the purpose of the development and utilization of the argilla re sources in Huaibei, the activation of coal-argilla taken from Zhuzhuang coal mi ne was studied as representative sample.

为开发利用淮北矿区高岭土资源,以该区朱庄煤矿煤系高岭土为代表样品行高岭土的活化研究。