瓦斯的主要成分是什么?

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瓦斯的主要成分是什么?

添加时间 : 2018-03-14 15:44:00

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主要成分甲烷化学式：CH4
是一种可燃性气体，无色五味，难溶于水，密度小于空气，与氧气或空气混合后达到一定温度在一定空间内容易发生爆炸

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