火灾中烟气的主要成分是碳灰，还有大量的一氧化碳、二氧化碳、硫化氢等有毒气体，对人体危害极大。据资料显示，火灾时因缺氧、烟毒侵害而造成的人员伤亡可达火灾死亡人数的50%-80%。那么，当火灾中烟雾弥漫时，我们应如何逃生呢？笔者认为，应做到以下几点： 穿越烟雾，逃 The main component of flue gas in the fire is carbon and ash, as well as a large amount of toxic gases such as carbon monoxide, carbon dioxide and hydrogen sulfide, which are extremely harmful to the human body. According to statistics, the casualties caused by the lack of oxygen and the poisonous tobacco poisoning caused by the fire can reach 50% -80% of the number of fire deaths. So, when the smoke filled the fire when we should escape it? In my opinion, should do the following: Cross the smoke, escape