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Gears serve to transfer power and change the direction of rotation.
传动装置的作用是传送动力和改变旋转方向。
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PTO get power from engine and drive oil pump rotation.
取力器从汽车发动机获取动力，带动油泵旋转。
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PTO get power from engine and drive oil pump rotation.
取力器从汽车发动机获取动力，带动油泵旋转。
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