“防火门”造句

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 for fire prevention in pedestrian crosswalk.