• The sequence of excavation for the shaft of diversion system at Pushihe storage power station is to excavate the pioneer well used by back well boring machine, then by hand air drill to expand it.

    蒲石河抽水蓄能电站引水系统中的竖井开挖,拟采用钻机进行导井开挖,人工风钻钻孔扩的方式施工。

    dict.cnki.net

  • The sequence of excavation for the shaft of diversion system at Pushihe storage power station is to excavate the pioneer well used by back well boring machine, then by hand air drill to expand it.

    蒲石河抽水蓄能电站引水系统中的竖井开挖,拟采用钻机进行导井开挖,人工风钻钻孔扩的方式施工。

    dict.cnki.net

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定