平煤十三矿己15,17煤底板岩溶水突水分析及综合防治
평매십삼광기15,17매저판암용수돌수분석급종합방치
Reason Analysis on Karst Water Outburst of Ⅵ15,17 Coal Seam Floor in Pingdingshan No.13 Mine and Its Comprehensive Control
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