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钻孔

[zuàn kǒng]
na.
1.
【矿】drill; bore; drill hole
3.
【矿】boring; punching
4.
【矿】perforate
1.
【矿】drill; bore; drill hole
3.
【矿】boring; punching
4.
【矿】perforate

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