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打火机一般用哪几种气体
更新时间: 2020-07-13 00:00:00  

普通一次性打火机里装的一般是丁烷。

此处用来丁烷的三个特点:

1、丁烷极易燃烧,这和甲烷(天然气的主要成分)、丙烷(液化石油气的主要成分)相同;

2、丁烷易液化,甲烷极难液化大量储存,丙烷液化后的压力也要7个大气压左右,丁烷液化后压力。

关键词: 打火机 一般 气体

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