return air的用法和样例:
例句
- For a typical single duct air system there will be one zone supply air path and one zone return air path.
对于典型的单管空调系统,一般由一条区域送风路径和一条区域回风路径组成。 - Building humidification may not be required if return air contains sufficient humidity to satisfy winter requirement.
如果回风含有足够的湿度来满足冬季需求的话,建筑则不需要加湿。