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	weather contact weather cross weather cycle weather deck weather door weathered weathered weathered oak weatherer weather eye weather-fast weatherfish weather flag weather gall weather gauge weather-gauge weathergaw weatherglass weatherglass weathergleam weather-going tide weatherhead weatherheaded weather helm weather house

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