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da kou jing chou fang zuan kong ti dai wei xiang zhi li wa si de ying yong
Author(s): 
Pages: 15-16
Year: Issue:  11
Journal: SAFETY IN COAL MINES

Keyword:  大口径钻孔尾巷瓦斯抽放;
Abstract: 介绍了大口径钻孔替代工作面尾巷的试验过程和试验取得的效果.
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