最近一段时期以来，城乡居民因使用煤气、液化石油气不慎引起的火灾爆炸事故不绝于耳，尽管原因千差万别，但一个值得引起重视的原因，主要还是人们缺乏一个良好的行为习惯，即使用煤气、液化石油气后疏于关闭钢瓶阀门和炉灶开关，而造成气体泄漏引发灾祸。管道煤气、天然气等 Since the recent period, the fire and explosion accident caused by the accidental use of liquefied petroleum gas by urban and rural residents has never ceased to exist. Although there are many reasons for this, one of the reasons that deserves our attention is that people lack a good habit of using liquefied gas After the LPG shut down the cylinder valve and the stove switch, resulting in gas leak caused disaster. Pipeline gas, natural gas and so on