所有防烟楼梯间及消防电梯前室均设正压送风系统。
Before all against smoke stair hall and the fire lift, the room supposes the positive pressure blast system.
就防烟楼梯间及前室正压送风系统区域烟控模型的算法进行了介绍。
The smoke control model is an important tool to have a smoke control research.
楼梯间设置正压送风系统时，楼梯间设置的外窗应明确为固定窗；
When setting positive pressure mechanical air supply system in smoke controlling stair hall, the outer window in the hall must be fixed.
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