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	fouché, joseph foucquet foud foudrie foudroyant fouet fouets mouches rivières fouette fouetté fou fou fou-fou foufou foug fougade fougasse fougasse (disambiguation) fougeron, andre fougeron, andré fought fought against fought against her fought against him fought against it fought against me fought against one

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