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Application of the Compressed-air Drilling to the Borehole -drilling Construction of Conventional Drilling Machines
Author(s): 
Pages: 17-18
Year: Issue:  10
Journal: SAFETY IN COAL MINES

Keyword:  压风钻进套管式喷雾器设计施工;
Abstract: 本文分析了清水钻进在低角度软岩钻孔施工中失败的原因,介绍了压风钻进套管式喷雾器的设计及其工作原理、应注意事项与存在的问题.
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