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单词 worm gear
释义

WordReference Random House Unabridged Dictionary of American English © 2024
worm′ gear′, 
    1. Mechanical Engineeringa mechanism consisting of a worm engaging with and driving a worm wheel, the two axes usually being at right angles, used where a relatively low speed and a relatively large amplification of power are desired.
    2. Mechanical EngineeringAlso called worm wheel. a gear wheel driven by a worm.
    Also, worm′gear′. 
    • 1875–80

Collins Concise English Dictionary © HarperCollins Publishers::
worm gear n
  1. a device consisting of a threaded shaft (worm) that mates with a gearwheel (worm wheel) so that rotary motion can be transferred between two shafts at right angles to each other
  2. Also called: worm wheel a gearwheel driven by a threaded shaft or worm
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更新时间：2025/2/23 6:58:43