lubricating hole

US 
UK 
  • un.润滑孔
  • Web注润滑油孔
un.
1.
润滑孔

Sample Sentence

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