In the coal mine gas drainage,the gas drainage in gob has a dominant position. According to different stages of the prod......

针对我国高瓦斯煤层赋存特点及目前煤矿区域瓦斯治理过程中存在的问题,理论分析了煤与瓦斯耦合作用下爆生裂隙形成机理,开发了新型......