顶板近水平长钻孔替代闭式高抽巷进行瓦斯抽放的试验研究

顶板近水平长钻孔替代闭式高抽巷进行瓦斯抽放的试验研究的英文翻译

基本释义

• Experimental research on using approximate horizontal long-hole instead of dosed high extracted roadway to drain gas