PDF(1095 KB)
Experimental Analysis of Overlying Strata Movement Characteristic under Close Distance Coal Seam Group Downward Mining
Sun Li,Yang Ke,Yan Shuyuan,Xu Minggao
Chinese Journal of Underground Space and Engineering ›› 2014, Vol. 10 ›› Issue (5) : 1158-1163.
PDF(1095 KB)
PDF(1095 KB)
Experimental Analysis of Overlying Strata Movement Characteristic under Close Distance Coal Seam Group Downward Mining
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