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$Characteristics of fracture development and gas extraction of a lower protected seam$ $Characteristics of fracture development and gas extraction of a lower protected seam$

Characteristics of fracture development and gas extraction of a lower protected seam

期刊名字：重庆大学学报（英文版）
文件大小：373kb
论文作者：WANG Hai-feng，CHENG Yuan-ping，
作者单位：National Engineering Research Centerfor Coal & Gas control,Postdoctoral Science Research Workstation
更新时间：2020-09-15
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