高位钻孔抽放技术在告成矿的应用
Hydraulic Coal Mining & Pipeline Transportation(2007)
Abstract
告成矿炮采工作面采用高位钻孔抽放瓦斯,介绍了高位钻孔抽放原理、钻场布置、钻孔参数的确定及提高瓦斯抽放效果的具体方法。
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