覆岩多层坚硬顶板条件下特厚煤层综放工作面支架阻力确定
刘长友, 杨敬轩, 于斌, 吴锋锋
Support resistance determination of fully mechanized top-coal caving face in extra thick seam under multi-layered hard strata
LIU Changyou, YANG Jingxuan, YU Bin, WU Fengfeng
采矿与安全工程学报
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2015, (1): 7
-13
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