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di mian chou fang wa si zuan kong gong yi can shu fen xi
Author(s): 
Pages: 29-31+41-48
Year: Issue:  11
Journal: Safety in Coal Mines

Keyword:  钻孔抽放邻近层瓦斯工艺参数分析瓦斯钻孔地质构造地面钻孔瓦斯抽放理论分析工作面条件;
Abstract: 地面钻孔抽放邻近层瓦斯的技术其优越性是人所共知的。本文经过理论分析与现场证实,在无特殊的地质构造条件下,为这一技术的使用提供了一套地面钻孔抽放的合理参数。
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