1) roof high pumping lane
顶板高抽巷
1.
By using the gas drainage technology with the roof high pumping lane,the gas of native layer and near layer is effectively managed.
杏花煤矿开采30#层为高瓦斯煤层,通过采用顶板高抽巷等瓦斯抽放技术,有效治理本层及邻近层瓦斯,有效地解决了采煤工作面上隅角及回风瓦斯超限问题,实现了矿井的安全生产和高产高效。
3) high level suction along roof strike
顶板走向高抽巷
1.
The high level suction along roof strike, which has a widespread use in many mining areas,is a typical roof roadway.
顶板走向高抽巷是特殊的顶板巷道,在我国多个矿区已得到广泛应用,它是抽采高瓦斯厚煤层条件下综放面采空区瓦斯的有效途径,高抽巷能否起到较好的抽放效果,合理布置层位的确定极为关键。
4) top heading
顶板巷道
1.
Application study on the methane drainage frommined area by a top heading;
顶板巷道抽放采空区瓦斯的应用研究
补充资料：抽抽趔趔
1.犹言别别扭扭。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条