In the process of investigation, it is assumed that gas flow through the exhaust diffusers is of one dimensional quasi-steady incompressible flow.
在研究过程中，假定排气扩压器的气流为一元准稳定不可压缩气流，试验装置采用压缩气源供气。
The present paper aims to introduce the authors' investigation and research on the mechanical smoke exhaust efficiency in the large space fire in summer.
采用全尺寸实验对夏季大空间内火灾机械排烟的效率进行了研究。
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