... 馈电异常 abnormal feed 瓦斯矿井 gassy colliery 便携式甲烷检测报警仪 portable methane alarm detector ...
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高瓦斯矿井 high gassy mine ; gassy mine ; highly gassy mine
低瓦斯矿井 low gaseous mine ; Low gas mine
瓦斯矿井等级 classification of gaseous mine
矿井瓦斯 mine gas ; [矿业] damp ; black damp ; gas
爆炸性矿井瓦斯 fire damp
矿井瓦斯排泄装置 mine gas drainage plant
矿井瓦斯探测器 mine gas detector
美国矿井瓦斯能源公司 CMM Energy LLC
矿井瓦斯能源公司 CMM Energy LLC
适用于有低瓦斯矿井煤层采掘工作面、半煤岩掘进工作面的爆破作业。
Suitable for the coal mining blasting work of mines with little gas inside and the blasting work of half coal rock mining.
重庆是全国有名的高瓦斯矿井和煤与瓦斯突出矿井集中的地区，瓦斯资源丰富。
A great many coal mines which are high coal bed methane content are concentrated in Zhohgqing areas.
由此得出，降段煤垛与移动抽放相结合的方法是高瓦斯矿井回采工作面瓦斯治理的有效方法。
We can conclude that the method that unites lower-sect coal stack method and mobile drainage method is an effective measure in the control of gas in the working face of high gas mine.
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