“dredge”的概念、定义、翻译、参考文献-科学参考

单词	dredge
释义	dredge [drej] ^ENGINEERING A cylindrical or rectangular device for collecting samples of bottom sediment and benthic fauna. ^{MECHANICAL ENGINEERING} A floating excavator used for widening or deepening channels, building canals, constructing levees, raising material from stream or harbor bottoms to be used elsewhere as fill, or mining.
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