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well bore

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UK 
  • un.井身;井孔;钻井
  • Web钻井孔;井筒;井眼
un.
1.
井身
2.
井孔
3.
钻井

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