... return air opening 回风口 return air system 回风系统 return bend 回转弯头,U形弯头 ...
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洁净室新、回风系统。
大联合中央空调系统采用集中式中央空调一次回风系统。
The unite central air-conditioning system adopts concentrative central air-condition in which wind circles one times.
分析了纺丝侧吹风空调机组及送回风系统设计及其自动控制系统配置的节能措施。
The energy saving measures for cross air blow conditioner system were analyzed from the aspects of return air system design and automatic control system configuration.
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