煤矿瓦斯 meaning in Chinese
coal-mine gas
Examples
- Way to comprehensive gas control in luling coal mine
芦岭煤矿瓦斯综合治理途径 - Status quo of gas drainage and its utilization in colliery
煤矿瓦斯排放现状及利用 - Comprehensive control of gas in xiaobaoding coal mine
小宝鼎煤矿瓦斯综合治理 - Tchnical specifications of gsa drainage for coal mining
煤矿瓦斯抽放技术规范 - Measures on comprehensive control on gas in zhangji mine
张集煤矿瓦斯综合治理的举措