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Relationships between Field, Experimental Strengths or Their Ratios and Excavating Depths of Rock Masses in Datun Coal Mining Area 会议论文
9th China-Russia Symposium on Coal in the 21st Century - Mining, Intelligent Equipment and Environment Protection, OCT 18-21, 2018
作者:  Liu, Chuanxiao;  Yang, Yongjie;  Ma, Depeng;  Li, Maotong;  Xue, Baihui
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