急斜特厚煤层水平分段综放开采覆层类椭球体结构分析
来兴平, 孙欢, 单鹏飞, 邱华富
Overlying strata ellipsoid-style structure of horizontal section top-coal caving in steeply inclined and extra thick coal seam
LAI Xingping, SUN Huan, SHAN Pengfei, QIU Huafu
采矿与安全工程学报
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2014, (5): 716
-720
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