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1.The car's differential gear is essential for handling off-road driving conditions.
汽车的差速器对于应对越野驾驶条件至关重要。
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2.The mechanic replaced the worn out differential gear in the rear axle.
机械师更换了后轴上的磨损差速器。
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3.The new differential gear has significantly improved the vehicle's handling and acceleration performance.
新的差速器显著提高了车辆的操控和加速性能。