英语词汇“double drill column”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	double drill column
释义	double drill column double drill column [¦dəb·əl ′dril ‚käl·əm] (mining engineering) Two drill columns connected by a horizontal bar on which a drill machine can be mounted. Also known as double jack.
随便看	go behind our backs go behind somebody's back go behind (someone's) back go behind someone's back go behind their back go behind their backs go behind your back gobekli tepe gobelin gobelin family gobelins gobelins, manufacture nationale des gobelin tapestries gobelin tapestry gobell-stockel procedure go belly up go belly-up go below gobemouche gobeproductive gobernuz kanpoko erakundeak go berserk gobet gobetti, piero go between

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