Technique of secondary bolt/shotcreting support for deep rock roadway, with the East Main Roadway deep to 1 300 m in Suncun Coal Mine as an example, was analyzed.
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释义
摘要以孙村煤矿埋深1300m的东大巷应用为例,系统分析了深部岩巷锚喷二次支护技术。
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