Research and development on directional drilling key equipment applied to in freezing holes of coal mine inclined shaft
Yuan Hui
Deng Yun
Pu Chaoyang
Dong Xinwang
Li Shangze
Shao GongYu
Yang Xue
Keywords：ground freezing for inclined shaftdrilling rig used in inclined shaftdirectional drillingmagnetic guidance technology
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)