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

单词	piston corer
释义	piston corer noun Geology A piston-driven cylindrical device for taking samples of material from the seabed.A piston corer consists of a tubular barrel driven into the sediment by a large weighted head.... Cores were collected by piston corer, extruded in the field, and the top one or two centimeters were used for chironomid analysis. The piston corer is designed to take samples from soft cohesive soils.
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