deep shaft frozen 深井冻结
shaft frozen-soil 立井冻土
shaft frozen crust 立井冻结表土段
deep shaft frozen walls 深井冻结壁
frozen shaft seal 冻结法轴密封
frozen shaft 冻结井
Shaft wall frozen 井筒全深冻结
the frozen shaft 冻结立井
deep frozen shaft 深冻结井
It is more necessary to study the mechanical properties in order to provide reasonable design parameters for shaft frozen sidewalls.
为了给立井冻结壁和井壁设计提供合理的设计参数，对冻结壁岩石的力学特性试验很有必要。
This study provides an important basis for designing frozen wall in artificial freezing shaft.
研究结果可为冻结壁的设计提供重要依据和参考。
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。
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