Cement injection of perforating holes in a frozen pipe is a wholly new technology for consolidating shaft wall rock and stopping water of frozen shafts in coal mines.
冻结管射孔注浆是在对石油输油井射孔技术和地面注浆技术进行研究的基础上,开发出的一种用于煤矿冻结井筒围岩加固和堵水的全新技术。
The steel pipe crosses windswept plains and endless miles of delicate tundra that tops the frozen ground.
这个钢质管道穿过强风不断的草原和无边无尽的覆盖于冻土之上的苔原。
Buried depth of rain water pipe should be buried in the frozen line, consideration should be given to the upper part of the load pipeline.
埋地雨水管的埋没深度应在冰冻线以下,应考虑管线上部的荷载。
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