| 单词 | change-speed gearbox |
| 释义 | change-speed gearbox in Automotive Engineering (tʃeɪndʒ spid gɪərbɒks) Word forms: (plural) change-speed gearboxes noun (Automotive engineering: Vehicle components, Engine, transmission, and exhaust) gearboxA change-speed gearbox is a set of movable or constant gears which allows the speed ratio between input and output shafts to be changed either manually or automatically. An overspeed facility is provided through a step-up change-speed gearbox. A front-mounted engine drives the rear wheels through a shaft and differential, controlledthrough a friction clutch and change-speed gearbox. The rest of the reduction can be obtained by means of the change-speed gearbox, which is interposed between the clutch and the final drive. |
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