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Research on cutting top to relief pressure and surrounding rock control technology passing jump mining section of No.W3233 Face in Qianyingzi Mine
Liu Shi1, Kuang Kaiming1, Huang Shuyu2, Sun Rongyan2
1. Anhui Hengyuan Coal Power Co., Ltd., Qianyingzi Mine, Suzhou 234001, China; 2. College of Energy and Mining, China University of Mining and Technology ( Beijing ),Beijing 100083, China


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