长期以来,美国消防员到达着火居民住宅首先要做的都是在建筑物上破拆开洞进行通风,以排出热烟气。一代一代的消防员都是这样操作的:在射水扑火之前,云梯中队的破拆员打开屋面开口或者锯开屋面,同时其他消防员破窗进入室内搜寻。由于家具材料的变化,住宅火灾也有了很大的改变,去年还因此发生了消防员严重受伤事件。受此触动,纽约消防局在坚持 For a long time, the first thing that American firefighters had to do when it came to burning residential fire was to break open holes in buildings and ventilate to remove hot flue gas. The generation of firefighters did it this way: Before the water burst into flames, the detachment of the ladder squadron opened the roof or sawed the roof, while other firefighters broke the window into the room to search. Due to changes in furniture materials, residential fires have also changed a lot, resulting in serious firefighters injuries last year. Affected by this, New York Fire Department insisted