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3 典型矿床开采模型
Fig.3 Typical deposit mining model