A detailed description of the principle and application of cement injection technology to shaft rock wall are given.
就一个注浆施工实例，详细阐述了料石井壁壁后注浆技术的原理和应用。
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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