“防火门”用英语怎么说？

建筑行业用于防火卷帘门、防火门.Used for fireproof roll curtains and fire doors in the building industry.通往楼梯的防火门本中心已安装警铃.All doors of the Centre's exits stairways are alarmed.公路隧道根据防灾和营运时需要,在人行横通道内都有必要设置防火门.Fire Door is necessary ...