同时，连杆做偏心运动。

At the same time, the rod is in eccentric motion.

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连杆的作用是将活塞承受的压力传给连杆轴颈。同时，连杆做偏心运动。

The connecting rod carries the power thrusts from the piston to the crankpin. At the same time, the rod is in eccentric motion.

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本文探讨了主轴回转误差运动中偏心分量的分离问题。

In this paper further study is given to separate the eccentricity from the rotation error of a spindle.

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