Methane is inflammable and explosion hazard gas as the basis of mash gas, firedamp and rock gas.
甲烷作为瓦斯、天然气、沼气等的主要成分，是易燃易爆气体。
Firedamp flame propagation rules under obstacles are researched during the gas explosion process. The results show that obstacles have an important affection to the gas flame propagation speed.
该文对存在障碍物的瓦斯爆炸过程中的火焰传播规律进行了研究，结果表明：障碍物对火焰的传播速度具有重要影响。
Firedamp flame propagation rules under obstacles are researched during the gas explosion process. The results show that obstacles have an important affection to the gas flame propagation speed.
该文对存在障碍物的瓦斯爆炸过程中的火焰传播规律进行了研究，结果表明：障碍物对火焰的传播速度具有重要影响。
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