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圆跳动
circle run-out
- 用传统的测量方法不能得到单一基准径向圆跳动误差的准确值。
The correct value of radial circular run-out error with respect to a single datum axis can not be obtained in the traditional measuring method. - 用传统的测量方法只能得到被测零件的径向圆跳动误差的近似值。
An approximate value of the radial circular run-out error of the workpiece to be measured can only be obtained in the traditional measuring method. - 同轴度公差评估的是轴线相对于基准轴线的偏差，而径向跳动公差则评估的是圆周线相对于同轴圆的偏差。
The coaxiality tolerance assesses the deviation of the axis from the datum axis, while the radial run-out tolerance assesses the deviation of the circumference line from a coaxial circle.
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