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Numerical simulation study and control of top coal leakage in the ending face of fully mechanized caving face
Li tongda1, Lu Jie1, Jiang Zaisheng2, Luo Huafeng1, Xu Qingyun1, Bai Wenyong1
1. Coal Engineering College ,Shanxi Datong University,Datong 037006, China; 2. College of Resources & Safety Engineering, China University of Mining & Technology(Beijing), Beijing 100083, China


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