烟门 meaning in English

soot door

Smoke and draft - control door assemblies , installation of
防烟门和防火门组件的安装
The smoke lobby doors are properly closed and up to standard
防烟门关好，合符规格。
Locks - mortise locks for fire doors and smoke control doors
锁.消防门和防烟门用插锁
Smoke control doors ; concepts and requirements
防烟门.第1部分:概念和要求
Fire resistance tests for door and shutter assemblies - smoke control doors and shutters
门和遮板组件的耐火性试验.防烟门和遮板

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