1. The results show that the smoke spreads quickly and the temperature ascend fast under the case of unmechanical-ventilation form. The ventilation system has effective function. 结果表明，地铁岛式站台在没有开启机械通风的状况下，烟气蔓延极其迅速，火场温度上升极快，地铁站台安装合适的强制通风烟控系统能在火灾中发挥有效的作用；
