air valve

US 
UK 
  • un.空气阀;气门
  • Web气门嘴;气缸;气嘴
un.
1.
空气阀
2.
气门

Sample Sentence

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