单词 | pinion and crown wheel |
释义 | pinion and crown wheel (extremely rare) n WORD FAMILY pinion and crown wheel n gears that mesh at an angle Syn|Hypo|Hyper bevel gear, pinion and ring gear differential, differential gear a bevel gear that permits rotation of two shafts at different speeds; used on the rear axle of automobiles to allow wheels to rotate at different speeds on curves cogwheel, gear, gear wheel, geared wheel a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion |
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