... 饱和 saturation; saturated 甲烷 methane; fire-damp; methyl h ... 饱和甲苯 saturated toluene ...
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fire damp 爆炸性气体 ; 爆炸性矿井瓦斯 ; 沼气 ; 甲烷
fire damp explosion 瓦斯爆炸
fire-damp tester 沼气检定器
fire-damp machine 防火式电机
fire damp proof machine 沼气式电机
fire-damp layer 沼气分层聚集
fire-damp explosion 瓦斯爆炸
N a mixture of hydrocarbons, chiefly methane, formed in coal mines. It forms explosive mixtures with air 沼气 → see also afterdamp
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