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对作业环境中的可燃易爆气体进行及时、有效的监测，对防止燃烧、爆炸事故的发生有着十分重要的意义。而可燃性气体快速报警仪则是在此类监测中常用的一种简捷、方便的仪器。众所周知，可燃性气体快速报警仪的报警显示通常是用气体爆炸下限（lliL）的l／4值设定的，即当被测作
The timely and effective monitoring of combustible and explosive gases in the working environment is of great significance to prevent the occurrence of combustion and explosion accidents. The flammable gas rapid alarm instrument is used in such monitoring is a simple, convenient instrument. As we all know, flammable gas rapid alarm alarm display is usually set with l / 4 gas explosion limit (lliL) set, that is, when measured