1) коробка скоростей; коробка передач; коробка подач
2) редуктор
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- accessory gearbox
- barring gearbox
- car gearbox
- clutchless gearbox
- cross rail gearbox
- drive gearbox
- epicyclic gearbox
- feed change gearbox
- feed gearbox
- hypoid gearbox
- multispeed gearbox
- parallel shaft-type gearbox
- precision gearbox
- reduction gearbox
- remote accessory gearbox
- single-stage gearbox
- speed gearbox
- spindle gearbox
- two-stage gearbox
- worm reduction gearbox