金属矿山地下采空区问题研究现状与展望
程力,刘焕新,朱明德,吴钦正
Current Situation and Prospect of Research on Underground Goaf in Metal Mines
Li CHENG,Huanxin LIU,Mingde ZHU,Qinzheng WU
图2
CMS探测原理图
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Fig.2
Detection principle diagram of CMS
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