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单词 screw propeller
释义

WordReference Random House Unabridged Dictionary of American English © 2024
screw′ propel′ler, 
  1. Aeronauticsa rotary propelling device, as for a ship or airplane, consisting of a number of blades that radiate from a central hub and are so inclined to the plane of rotation as to tend to drive a helical path through the substance in which they rotate.
  • 1830–40
screw′-pro•pelled′, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
screw propeller n
  1. an early form of ship's propeller in which an Archimedes' screw is used to produce thrust by accelerating a flow of water
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更新时间：2025/7/23 12:26:33