Robert and Slogger were still cutting coal when David reached them.

当大卫到达罗伯特和跟前时，他们还在采煤。

Borehole hydromining is a kind of safe and efficient new mining method .

钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法。

The fracturing process induced by different excavation sequence under final highwall with auger mining was numerically simulated.

对到界边坡下采用螺旋钻机开采煤柱不同开采顺序引起的破坏过程进行数模拟。

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 obtained achievement in building material industry is studied, including sintering cement with substituting coal by cokeite and smelting rockwool with substituting coke by cokeite and so on.

本文采煤副产品～天然焦的特性，并对其在建材行业的开发研究成果进行评述．主要包括天然焦代煤烧制水泥，天然焦代焦炭熔制岩棉等。

Robert and Slogger were still cutting coal when David reached them.

当大卫到达罗伯特和斯洛格跟前时，他们还在。

Borehole hydromining is a kind of safe and efficient new mining method .

钻孔水力是一种既安全、又能极大地提高资源利用率的新的矿方法。

The fracturing process induced by different excavation sequence under final highwall with auger mining was numerically simulated.

对到界边坡下用螺旋钻机开柱不同开顺序引起的破坏过程数模。

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

是矿生产中的主要生产环节,因而编制工作面接替计划对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.

短壁刀柱法即条带开,目前在陕西省小矿开中较广泛应用。

The obtained achievement in building material industry is studied, including sintering cement with substituting coal by cokeite and smelting rockwool with substituting coke by cokeite and so on.

本文介绍副产品～天然焦的特性，并对其在建材业的开发研究成果评述．主要包括天然焦代烧制水泥，天然焦代焦炭熔制岩棉等。

Robert and Slogger were still cutting coal when David reached them.

当大卫到达罗伯特和斯洛格跟前时，他们还在采煤。

Borehole hydromining is a kind of safe and efficient new mining method .

钻孔水力采煤是一种既安全、又能极大地提高资源利用率新采矿方法。

The fracturing process induced by different excavation sequence under final highwall with auger mining was numerically simulated.

对到界边坡下采用螺旋钻机开采煤柱不同开采起破坏过程进行了数模拟。

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 obtained achievement in building material industry is studied, including sintering cement with substituting coal by cokeite and smelting rockwool with substituting coke by cokeite and so on.

本文介绍了采煤副产品～天然焦特性，并对其在建材行业开发研究成果进行了评述．包括天然焦代煤烧制水泥，天然焦代焦炭熔制岩棉等。

Robert and Slogger were still cutting coal when David reached them.

当大卫到达罗伯特和斯洛格跟前时，在采煤。

Borehole hydromining is a kind of safe and efficient new mining method .

钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法。

The fracturing process induced by different excavation sequence under final highwall with auger mining was numerically simulated.

对到界边坡下采用螺旋钻机开采煤柱不同开采顺序引起的破坏过程进行了数模拟。

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用。

The obtained achievement in building material industry is studied, including sintering cement with substituting coal by cokeite and smelting rockwool with substituting coke by cokeite and so on.

本文介绍了采煤副产品～天然焦的特性，并对其在建材行业的开发研究成果进行了评述．主要包括天然焦代煤烧制水泥，天然焦代焦炭熔制岩棉等。

Robert and Slogger were still cutting coal when David reached them.

当大卫到达罗伯特和斯洛格跟前时，他们还在采煤。

Borehole hydromining is a kind of safe and efficient new mining method .

钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法。

The fracturing process induced by different excavation sequence under final highwall with auger mining was numerically simulated.

对到界边坡下采用螺旋钻机开采煤柱不同开采顺序引起的破坏过程进行。

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 obtained achievement in building material industry is studied, including sintering cement with substituting coal by cokeite and smelting rockwool with substituting coke by cokeite and so on.

本文介绍采煤副产品～天然焦的特性，并对其在建材行业的开发研究成果进行评述．主要包括天然焦代煤烧制水泥，天然焦代焦炭熔制岩棉等。

Robert and Slogger were still cutting coal when David reached them.

当大卫到达罗伯特和斯洛格跟前时，他们还在采煤。

Borehole hydromining is a kind of safe and efficient new mining method .

钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法。

The fracturing process induced by different excavation sequence under final highwall with auger mining was numerically simulated.

到界边坡下采用螺旋钻机开采煤柱不同开采顺序引起的破坏过程进行了数模拟。

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煤矿生产具有指导意义。

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 obtained achievement in building material industry is studied, including sintering cement with substituting coal by cokeite and smelting rockwool with substituting coke by cokeite and so on.

本文介绍了采煤副产品～天然焦的特，其在建材行业的开发研究成果进行了评述．主要包括天然焦代煤烧制水泥，天然焦代焦炭熔制岩棉等。

Robert and Slogger were still cutting coal when David reached them.

当大卫伯特和斯洛格跟前时，他们还在采煤。

Borehole hydromining is a kind of safe and efficient new mining method .

钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法。

The fracturing process induced by different excavation sequence under final highwall with auger mining was numerically simulated.

对界边坡下采用螺旋钻机开采煤柱不同开采顺序引起的破坏过程进行了数模拟。

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

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

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 obtained achievement in building material industry is studied, including sintering cement with substituting coal by cokeite and smelting rockwool with substituting coke by cokeite and so on.

本文介绍了采煤副～然焦的特性，并对其在建材行业的开发研究成果进行了评述．主要包括然焦代煤烧制水泥，然焦代焦炭熔制岩棉等。

Robert and Slogger were still cutting coal when David reached them.

当大卫到达罗伯特和斯洛格跟前时，他们还在采煤。

Borehole hydromining is a kind of safe and efficient new mining method .

钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法。

The fracturing process induced by different excavation sequence under final highwall with auger mining was numerically simulated.

到界边坡下采用螺旋钻机开采煤柱不同开采顺序引起的破坏过程进行了数模拟。

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煤矿生产具有指导意义。

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 obtained achievement in building material industry is studied, including sintering cement with substituting coal by cokeite and smelting rockwool with substituting coke by cokeite and so on.

本文介绍了采煤副产品～天然焦的特，其在建材行业的开发研究成果进行了评述．主要包括天然焦代煤烧制水泥，天然焦代焦炭熔制岩棉等。

Robert and Slogger were still cutting coal when David reached them.

当大卫到达罗伯特和斯洛格跟前时，他们还采煤。

Borehole hydromining is a kind of safe and efficient new mining method .

钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法。

The fracturing process induced by different excavation sequence under final highwall with auger mining was numerically simulated.

对到界边坡下采用螺旋钻机开采煤柱不同开采顺序引起的破坏过程进行了数模拟。

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,目前陕西省小煤矿开采中较广泛应用。

The obtained achievement in building material industry is studied, including sintering cement with substituting coal by cokeite and smelting rockwool with substituting coke by cokeite and so on.

本文介绍了采煤副产品～天然焦的特性，并对材行业的开发研究成果进行了评述．主要包括天然焦代煤烧制水泥，天然焦代焦炭熔制岩棉等。