| 单词 | pinion and ring gear |
| 释义 | pinion and ring gear (extremely rare) n WORD FAMILY pinion and ring gear n gears that mesh at an angle Syn|Hypo|Hyper bevel gear, pinion and crown wheel 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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