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Study on Feasibility of Near Distance Coal Seam Group Ascending Mining 会议论文
International Conference on Sustainable Energy and Environmental Engineering (ICSEEE 2012), DEC 29-30, 2012
作者:  Yao, Chunhui;  Lu, Guozhi;  Zhang, Linliang
收藏  |  浏览/下载:2/0  |  提交时间:2019/12/31
Study on zoning of overburden strata and roadway deformation of ascending mining in thin coal seam 会议论文
Jilin, PEOPLES R CHINA, OCT 12-14, 2012
作者:  Tang, Jianxin[1];  Li, Yalin[1];  Jia, Yajie[1];  Sun, Lele[1]
收藏  |  浏览/下载:1/0  |  提交时间:2019/11/28


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