目前大型地下商场出口难以满足安全疏散的要求。
The present exits in large underground shopping center are hard to meet the requirement of emergency evacuation.
结果表明，大型地下商场宜采用远端自然送风、近端机械排烟方式；
The results show that natural ventilation far from the fire and mechanical exhaust near to the fire is proposed in a large underground emporium.
结果表明，大型地下商场宜采用远端自然送风、近端机械排烟方式；
The results show that natural ventilation far from the fire and mechanical exhaust near to the fire is proposed in a large underground emporium.
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