tight hole

US 
UK 
  • un.缩径钻孔;井塌卡住钻具的井眼
  • Web井径缩小的井眼;缩径井眼;保密井
un.
1.
缩径钻孔
2.
井塌卡住钻具的井眼

Sample Sentence

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