Numerical simulation on gas drainage with buried pipe in upper corner of U-type working face
LI Ying-ming;YANG Ming-dong;FU Yong-gang;The MOE Key Laboratory of Coal mine Safety and High Efficiency Mining;Anhui University of Science and Technology;School of Mining and Safety;Anhui University of Science and Technology;Mining engineering center for post-doctoral studies Anhui University of Science and Technology;Duanwang Coal Mine;Duanwang Coal Group Co.;Ltd.;
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