That explosion was triggered by an accumulation of gas in an unventilated tunnel.
爆炸是由于瓦斯气体在通风不良的矿井中聚集而产生的。
Methods The animal's model of injury caused by gas explosion was made in imitating coalpit tunnel.
方法建立模拟煤矿井下瓦斯爆炸伤动物模型。
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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