英语词汇“piston corer”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	piston corer
释义	piston corer piston corer [′pis·tən ¦kȯr·ər] (mechanical engineering) A steel tube which is driven into the sediment by a free fall and by lead attached to the upper end, and which is capable of recovering undistorted vertical sections of sediment.
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