先抽后启排放瓦斯新工艺在林盛煤矿的探索与实践

先抽后启排放瓦斯新工艺在林盛煤矿的探索与实践的英文翻译

基本释义

• Probing into A New Technotogy of Drainage First and Removing Closeness Afterwards for Gas Blowing Down in Linsheng Coal Mine