return air

US 
UK 
  • un.回风;回流空气;回用空气;回气
  • Web回送风;回风空气
un.
1.
回风
2.
回流空气
3.
回用空气
4.
回气
5.
回路空气
1.
回风
2.
回流空气
3.
回用空气
4.
回气
5.
回路空气

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard