从动装置是一个圆柱形的组件，带有一个螺旋状的槽和一个销子。

"The follower is a cylindrical component with a helical slot and a pin that runs through it," he adds.

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为便于与滚针轴承的滚针和保持架组件或外圈组件结合，内圈在滚道两侧有引入槽。

To facilitate their combination with needle roller and cage assemblies or the outer ring assembly of needle roller bearings, they have a lead-in at each side of the raceway.

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该导轨组件包括外部拉出槽(50)、中部拉出槽(30)和用于容许拉出槽的相对运动的滚柱装置(15、25)。

The guide rail assembly includes an outer pull out channel (50), intermediate pull out channel (30) and roller units (15, 25) for allowing the relative movement of the pull out channels.

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