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单词 worm gear
释义
Worm Gear
nnoun.artifactgear consisting of a shaft with screw thread (the worm) that meshes with a toothed wheel (the worm wheel); changes the direction of the axis of rotary motion
Hypernyms:cogwheel gear gear wheel geared wheel
Inherited Hypernyms:worm geargearwheelmachinemechanical devicemechanismdeviceinstrumentalityartifactwholeobjectphysical entityentity
Part Meronyms:worm worm wheel
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更新时间:2024/9/21 15:43:39