单词 | worm gear |
释义 | worm gear or wormgear (ˈwɜːmˌɡɪə) noun 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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