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Study on unit dense filling mining method of downward layered in thick coal seam
Ma Zongyu1, Zhang Bin2, Liu Qiang2, Wang Shike3, Liu Xin3, Deng Xuejie3
1. Inner Mongolia Chende Construction Engineering Co., Ltd., Ordos 017000, China; 2. Guoneng Mengxi Coal Chemical Industry Co., Ltd., Ordos 017000, China; 3. School of Energy and Mining Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China


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