该系数可用于火灾烟气流动预测计算，也可用于正压送风量及一般建筑通风换气计算。
It can be used for the prediction calculation of the fire smoke flow and the calculation of the positive air supply as well as for the ventilation.
该系数可用于火灾烟气流动预测计算，也可用于正压送风量及一般建筑通风换气计算。
It can be used for the prediction calculation of the fire smoke flow and the calculation of the positive air supply as well as for the ventilation.
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