密集小钻孔切顶卸压技术在党家河#br# 煤矿108工作面的应用*#br#

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秦玉成王宏越

Application of Roof Cutting and Pressure Relief Technology by Dense Small drilling holes in 108 Working Face of Dangjiahe Coal Mine

QIN Yucheng WANG Hongyue

现代矿业 . 2020, (12): 199 - .