挡烟垂壁 smoke screen

气压式挡烟系统 barometric damper system

挡烟罩 hood baffle

吊顶挡烟隔板 ceiling screen

挡烟垂壁专用帘布 Fireproof curtain

挡烟板 smoke barrier ; smoke deflectors

屋顶挡烟隔板 roof screen ; [建] roof smoke screen

烟道挡板 flue damper ; stack damper ; flue shutter

烟筒挡烟罩 smokestack hood

烟气挡板 gas baffle ; gas damper ; smoke damper