英语词汇“pin drill”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pin drill
释义	Definition of pin drill in English: pin drill noun Engineering A drill having a central projecting bit surrounded by a cutting face, used for countersinking. Origin Mid 19th century. Definition of pin drill in US English: pin drill noun Engineering A drill having a central projecting bit surrounded by a cutting face, used for countersinking. Origin Mid 19th century.
随便看	foremast foremasts foremen foremilk foremilks fore-minded foremost foremost/leading position foremost part foremost position foremother foremothers forename forenames foreness forenoon forenoons forensic forensic accounting forensical forensically forensically forensic medicine forensics forensics

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Definition of pin drill in English: