Independently ventilated and reinforced refuge floors or zones, where occupants could go to wait out a blaze, can be positioned every 15 stories or so.
Independently ventilated and reinforced refuge floors or zones, where occupants could go to wait out a blaze, can be positioned every 15 stories or so.
大楼里还设有逃生楼层或区域，每15层楼左右设置一处，供人等待救援之用；那里的排气系统独立，结构也是特别强化的。