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

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	side-wheel side-wheeler side whip graft side-whiskered side-whiskers side wind side-wind sidewinder side-wire side-wire stitch sidewise side yard sidhe sidi siding siding siding tool siding track sidle sidling sidonian sidot sidot blende sidra sids

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