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。

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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。

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