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change-gear ratio; shift-lever ratio (gear ration) | |||
speed change rate | |||
variable-speed ratio | |||
gear ratio | |||
ratio of gear | |||
speed regulation ratio |
变速比: 38 phrases in 10 subjects |
Automobiles | 23 |
Construction | 1 |
Drilling | 2 |
Electric machinery | 1 |
General | 1 |
Mechanics | 1 |
Military | 1 |
Oil / petroleum | 2 |
Shipbuilding | 2 |
Technology | 4 |