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1. Thedriver pinion is responsible for transmittingpower from the engine to the wheels.
驱动轴负责将发动机的动力传递给车轮。
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2. The driverpinion is essential for maintaining smooth operationof the vehicle.
驱动轴对于保持车辆平稳运行至关重要。
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3. The driver pinion needs tobe regularly lubricated to preventwear and tear.
为了预防磨损，需要定期给驱动轴润滑。