mechanical air supply system 机械送风系统 ; 坏送风系统
When setting positive pressure mechanical air supply system in smoke controlling stair hall, the outer window in the hall must be fixed.
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；
To satisfy the demands for air supplement, mechanical pressurized air supply system is set. Air supply level is calculated by no less than 50% of smoke exhaust level.
为满足补风需要，设机械加压送风系统，送风量按不小于排烟量的50%计算。
Full-scale burning test and numerical simulation were carried out to investigate the mechanical exhaust in large space fire with one-side unsymmetrical air supply.
采用全尺寸实验和数值模拟两种方法对大空间火灾单侧不对称补气条件下的机械排烟进行了分析。
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