问不倒博士说:有了烟囱,房子里的烟就会从烟囱里跑出去,不会弄得满屋子都是。我们烧饭做菜的时候,免不了会产生很多烟。现在很多家庭使用上了抽油烟机,于是,连着抽油烟机的管道就代替了连着炉灶的烟囱,烟囱就下岗啦。小鸟要是飞过,闻到烟,会被毒死的!(工厂的那些大烟囱的确是杀 Asked not to drop Dr. said: With the chimney, the house of smoke will run out from the chimney, will not make room full. When we cook cooking, it will inevitably produce a lot of smoke. Now many families use a range hood, so, even connected to the hood pipe instead of the stove attached to the chimney, the chimney laid-off friends. If the bird flew, smell the smoke, will be poisoned! (The factory of those big chimney is indeed kill