This paper analyzes on the reasons why the accidents of the gas explosion occur in the tunnel, and puts forward some methods, measures and matters needing attention of the safe discharge of the gas.
分析了巷道内瓦斯灾害事故发生的原因，提出了安全排放瓦斯的方法、措施和有关注意事项。
This paper analyzes on the reasons why the accidents of the gas explosion occur in the tunnel, and puts forward some methods, measures and matters needing attention of the safe discharge of the gas.
分析了巷道内瓦斯灾害事故发生的原因，提出了安全排放瓦斯的方法、措施和有关注意事项。
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