Differential when the vehicle is moving or turning in inequality when the road to drive around to different speed wheels rolling on both sides of drive wheel that is for pure rolling motion.

差速器是当汽车转弯行驶或在不平等路面上行驶时，使左右驱动车轮以不同的转速滚动即保证两侧驱动车轮作纯滚动运动。

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It is clear and definite that the speed grade of the differential dual drive sy-stem is good enough to meet the demands for free tension continuous rolling.

从理论与实践上，明确了差动调速系统的速度品质是好的，满足了自由张力小型连轧工艺的要求。

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The differential type rolling bearing has long service life and high reliability when used under the conditions of high rotating speed and high load.

该差动式滚动轴承在高转速、高载荷的环境中使用时寿命长且可靠性高。

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