遇到火灾,有的人不知道周围失火,来不及迅速撤离火场。有的人见义勇为,冒着生命危险,冲进火场救人或抢救财物,因火势凶猛,封闭了门窗,火燎烟熏迷了方向,被大火围困在建筑物中。碰到这种情况,站着向外面呼救,外面的人是听不到的。此时,熊熊烈火,风助火势,火趁风威,形成了一道火围 Encountering a fire, some people do not know the surrounding fire, too late to quickly leave the scene. Some people are brave and courageous, risking their lives, stormed the fire to rescue people or rescue the property, because of the fierce fire, closed the windows and doors, the fire smoked lost its way, was surrounded by fire in the building. Encountered this situation, standing outside for help, outsiders can not hear. At this point, raging fire, wind to help the fire, the wind while the wind Wei, formed a fire