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Research on the Reasonable Width of Section Coal Pillar in Ultralong Working Face Influenced by Mining Pressure超长工作面受 mining pressure 影响的合理区段煤柱宽度研究
Ma, Ying; Zhao, Li-xin; Wang, Lun; Bai, Yun-hu; Tong, You; Liu, Tao-tao; Li, Xiao-meng; Sun, Li-hui; Qin, Yu-kun; Liu, Liang-ping
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