When you turn the steering wheel, the gear spins moving the rack.

当转动转向盘时，齿轮即转动，而齿条就移动。

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Grinding wheel for the rotating main movement, workbench as a vertical reciprocating motion, grinding wheel rack for intermittent movement into the vertical and horizontal feed movement.

砂轮作旋转主运动，工作台作纵向往复运动，砂轮架作间歇的竖直切入运动和横向进给运动。

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Rotating table for the grinding wheel for the rotating main movement circular week for sports, grinding wheel rack for intermittent movement of vertical cutting.

在这种机床上，砂轮作旋转主运动圆工作台旋转作圆周进给运动，砂轮架作间歇的竖直切入运动。

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