well sinking

US 
UK 
  • un.下沉井;钻井;井筒下沉
  • Web打井;沉井下沉
un.
1.
下沉井
2.
钻井
3.
井筒下沉

Sample Sentence

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