叙永煤矿薄煤层开采极近距离邻近层泄压瓦斯治理技术研究

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胡雷

Research on Control Technology of Gas Drained from Close Distance Adjacent Seams During Thin Seam Mining of Xuyong Coal Mine

HU Lei

现代矿业 . 2019, (09): 208 -210 .