当站台中部发生火灾时，只有机械排烟和挡烟装置配合使用才可以有效地控制烟气。
When a fire occurs at the center of the platform, both the smoke evacuation fan and the smoke blocking wall can effectively control the smoke.
提出了在楼梯口采用防烟空气幕来代替挡烟垂壁及速度不小于1。
Puts forward a smoke control mode of applying smoke-preventing air curtain substituting for ceiling screen and down air flow with velocity no lower than 1.
提出了在楼梯口采用防烟空气幕来代替挡烟垂壁及速度不小于1。
Puts forward a smoke control mode of applying smoke-preventing air curtain substituting for ceiling screen and down air flow with velocity no lower than 1.
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