gas drainage meaning in Chinese
排瓦斯设备
Examples
- Status quo of gas drainage and its utilization in colliery
煤矿瓦斯排放现状及利用 - Discussion on safe gas drainage in coal mines
对煤矿积聚瓦斯安全排放的探讨 - Gas drainage and utilization in coal mines of china
中国煤矿抽放瓦斯和利用 - Existing problems and countermeasures of mine gas drainage
煤矿瓦斯抽放存在问题及对策 - The improvement of sealling method inside gas drainage hole
瓦斯抽放钻孔封孔方法的改进