英语词汇“sack borer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	sack borer
释义	sack borer noun : a device used in mining for sinking shafts in soft ground by boring to the full size with a very large tool resembling an auger behind the cutters of which large sacks are attached to catch material as it is removed
随便看	cor bovinum corbulidae corcass corchorus corcir cord cord corda cordage cordage cordage tree cordaitaceae cordaitaceous cordaitalean cordaitales cordaitean cordaites cordate cordately cordax cord blood cord connector corde corde corded

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