英语词汇“churn 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	churn drill
释义	churn drill a portable drill rig using a bit fashioned on a massive steel cylinder that is alternately lifted and dropped to drill a hole in earth and rock.
随便看	d.s. DSA DSC D.Sc. D.S.C. DSL D.S.M. DSNA D.S.O. D.S.P. DSR D.S.S. DST D.S.T. D. Surg. D.S.W. DT d.t.d. D.Th. DTP d.t.'s du Du. duad dual

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