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单词 archimedes' screw
释义

WordReference Random House Unabridged Dictionary of American English © 2024
Archimedes' screw, 
  1. Mechanicsa device consisting essentially of a spiral passage within an inclined cylinder for raising water to a height when rotated.
Also, Archimedean screw. Also called water snail. 
  • 1860–65

Collins Concise English Dictionary © HarperCollins Publishers::
Archimedes' screw, Archimedean screw /ˌɑːkɪˈmiːdɪən, -mɪˈdiːən/ n
  1. an ancient type of water-lifting device making use of a spiral passage in an inclined cylinder. The water is raised when the spiral is rotated
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