Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在地铁程中，常采用盾法修建正交下穿隧道，新隧道的掘不可避免地对既有隧道产生影响。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了掘面防炮崩风筒的主要技术措施技术结、应用原理、采用这项技术的具体操方法的预期效果。

Give priority to develop and manufacture full-face excavator, large-tonnage hydraulic excavator, heavy-tonnage loader, autocrane series, medium and small tonnage and multifunctional loaders.

重点开发生产全断面掘机、大型液压挖掘机、大吨位轮式装载机、系列汽车起重机以静液压式中小吨位和多功能装载机。

Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在地铁工程中，常采用盾法修建正交下穿隧道，新隧道的掘进不可避免地对既有隧道产生影响。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了掘进工作面防炮崩风筒的主要技术措施及技术结、应用原理、采用这项技术的具体操作方法及达到的预期效果。

Give priority to develop and manufacture full-face excavator, large-tonnage hydraulic excavator, heavy-tonnage loader, autocrane series, medium and small tonnage and multifunctional loaders.

重点开发生产全断面掘进、大型液压挖掘、大吨位轮式装载、系列汽车起重以及静液压式中小吨位和多功能装载。

Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在地铁工程中，常采盾法修建正交下穿隧道，新隧道的掘进不可避免地对既有隧道产生影响。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了掘进工作面防炮崩风筒的主要技措施及技、原理、采这项技的具体操作方法及达到的预期效果。

Give priority to develop and manufacture full-face excavator, large-tonnage hydraulic excavator, heavy-tonnage loader, autocrane series, medium and small tonnage and multifunctional loaders.

重点开发生产全断面掘进机、大型液压挖掘机、大吨位轮式装载机、系列汽车起重机以及静液压式中小吨位和多功能装载机。

Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在地铁工程中，常采用盾法修建正交下穿，的进不可避免地对既有产生影响。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了进工作面防炮崩风筒的主要技术措施及技术结、应用原理、采用这项技术的具体操作方法及达到的预期效果。

Give priority to develop and manufacture full-face excavator, large-tonnage hydraulic excavator, heavy-tonnage loader, autocrane series, medium and small tonnage and multifunctional loaders.

重点开发生产全断面进、型液压挖、吨位轮式装载、系列汽车起重以及静液压式中小吨位和多功能装载。

Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在地铁工程中，常盾法修建正交下穿隧道，新隧道的掘进不可避免地对既有隧道产生影响。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了掘进工作面防炮崩风筒的主要技及技结、应原理、项技的具体操作方法及达到的预期效果。

Give priority to develop and manufacture full-face excavator, large-tonnage hydraulic excavator, heavy-tonnage loader, autocrane series, medium and small tonnage and multifunctional loaders.

重点开发生产全断面掘进机、大型液压挖掘机、大吨位轮式装载机、系列汽车起重机以及静液压式中小吨位和多功能装载机。

Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在地铁工程中，常采用盾法修建正交下穿隧，新隧的掘进不可避免地对既有隧影响。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了掘进工作面防炮崩风筒的主要技术措施及技术结、应用原理、采用这项技术的具体操作方法及达到的预期效果。

Give priority to develop and manufacture full-face excavator, large-tonnage hydraulic excavator, heavy-tonnage loader, autocrane series, medium and small tonnage and multifunctional loaders.

重全断面掘进机、大型液压挖掘机、大吨位轮式装载机、系列汽车起重机以及静液压式中小吨位和多功能装载机。

Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在地铁工程中，常采用盾法修建正交下穿隧道，新隧道的掘进不可避免地对既有隧道产生影响。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了掘进工炮崩风筒的主要技术措施技术结、应用原理、采用这项技术的具体操法达到的预期效果。

Give priority to develop and manufacture full-face excavator, large-tonnage hydraulic excavator, heavy-tonnage loader, autocrane series, medium and small tonnage and multifunctional loaders.

重点开发生产全断掘进机、大型液压挖掘机、大吨位轮式装载机、系列汽车起重机以静液压式中小吨位和多功能装载机。

Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在地铁工程，用盾法修建正交下穿隧道，新隧道的掘进不可避免地对既有隧道产生影响。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了掘进工作面防炮崩风筒的主要技术措施及技术结、应用原理、用这项技术的具体操作方法及达到的预期效果。

Give priority to develop and manufacture full-face excavator, large-tonnage hydraulic excavator, heavy-tonnage loader, autocrane series, medium and small tonnage and multifunctional loaders.

点开发生产全断面掘进、大型液压挖掘、大吨位轮式装载、系列汽车以及静液压式小吨位和多功能装载。

Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在地铁工程中，盾法修建正交下穿隧道，新隧道的掘进不可避免地对既有隧道产生影响。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了掘进工作面防炮崩风筒的主要技术措施及技术结、应原理、这项技术的具体操作方法及达到的预期效果。

Give priority to develop and manufacture full-face excavator, large-tonnage hydraulic excavator, heavy-tonnage loader, autocrane series, medium and small tonnage and multifunctional loaders.

点开发生产全断面掘进机、大型液压挖掘机、大吨位轮式装载机、系列汽机以及静液压式中小吨位和多功能装载机。