return air duct meaning in English
回风管道
再循环风道
Examples
- Return air duct system should not be applied to public kitchen ventilating . 2
最后根据有关文献列出了厨房空调负荷、通风计算方法。 - The zone supply and return air paths are used to describe the configuration of the flow path that the supply air takes in moving from the main air handler to the zone terminal units and that the return air takes on leaving the zones and returning to the central return air duct
空调区域的送风和回风路径用于描述，送风从主要空气处理设备到区域终端设备和回风从空调区域到集中回风管道的过程。