The key to the technological transformation is the design of the manual oil pump, the delivery pump and the whole transmission box.

技术改造的关键是手油泵、输油泵及传动箱总成的设计。

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The key to the technological transformation is the design of the manual oil pump, the delivery pump and the whole transmission box.

技术改造的关键是手油泵、油泵及传动箱总成的设计。

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At present, the hydraulic transmission box test-bed has been applied for the assembly line as a standard measuring equipment and is playing a very important role.

目前，变速箱测试台已作为一种标准的测试设备被使用在生产装配线上并发挥着重要的作用。

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But Folz defines it to include not only the skeleton of the car but also the engine, the gear box, the transmission and the suspension.

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No, its ride-leveling suspension and adaptive dampening won't turn it into a 540i, nor can you completely ignore the fact that it has a four-speed transmission (every other car in this class gets at least five cogs in the shift box) that sends power through the front, not back wheels.

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