英语词汇“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	drill column
释义	drill column drill column [′dril ‚käl·əm] (mining engineering) A steel pipe that can be wedged across an underground opening in a vertical or horizontal position to serve as a base on which to mount a diamond or rock drill.
随便看	eta expansion etaf etag etag (disambiguation) etage etagenheizung etagere etageres etags (disambiguation) etah etahec eta hoffman e. t. a. hoffmann etah (samoyed) etah samoyed etai e-tail etail e-tailer e-tailers e-tailing etailing e-tail networks limited etain etaiop

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