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	ulcerate ulcerative ulcerative colitis ulcerogenic ulcerous ule -ule ulema -ulent ulexite Ulfilas Ulhasnagar uliginous ullage Ulm ulmaceous ulna ulno- ulotrichous -ulous ulpan Ulpian Ulsan Ulster Ulsterman

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