https://www.proz.com/kudoz/chinese-to-english/tech-engineering/412767-%E5%9B%9E%E9%A3%8E.html

Glossary entry

Chinese term or phrase:

回风

English translation:

returned air

Added to glossary by Chinexpert
Apr 15, 2003 09:58
21 yrs ago
Chinese term

回风

Chinese to English Tech/Engineering
空气调节系统考虑合理利用回风
空气净化系统

Proposed translations

6 hrs
Selected

return air; returned air

Hi, everyone

Here comes another suggestion. I found this from a Hong Kong website. It sounds very Chinese:

回风 = return air (I would use is as "returned air")
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4 KudoZ points awarded for this answer. Comment: "Thank you!"
3 mins

recirculated air

guessing....
Peer comment(s):

neutral Xianyin Yan : draftair
15 hrs
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21 mins

recycled air

I think this is better.
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2 hrs

backdraft

Just guessing...
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