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湖南作为全国有名的高瓦斯矿井、瓦斯突出矿井集中区,近年来通过建设瓦斯地面抽放系统、强力推行先抽瓦斯后采煤等综合措施,瓦斯灾害治理取得了很大成效。但瓦斯
As a well-known high-gas mine in the country, the gas outcrops the concentrated area of mines. In recent years, Hunan has made great achievements in gas disaster control through the construction of a gas drainage system and the vigorous implementation of comprehensive measures such as coal mining after gas drainage first. But gas