词汇“jackrod”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	jackrod
释义	jackrodjackrod[ˈdʒækrɔd]n.1.■钻杆(手持式风钻)
随便看	grade braking grade breeding gradebuilder grade by colour grade climbing grade compensation for curve grade correction grade crossing grade crossing predictor graded approach graded base graded bedding graded coal graded coalgebra graded coil graded commission graded crushing graded difficulty graded distribution graded filter graded fruits graded gravel graded hardening graded homomorphism graded hydrolysis

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