air system

US 
UK 
  • un.通风系统;空气系统
  • Web集中式通风系统;空压规格;空气供应系统
un.
1.
通风系统
2.
空气系统

Sample Sentence

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