手工加工金属零件最高精度只能达到0.01mm。如果手工研磨金属镜面,镜面的平整度是有可能达到那个精度的。

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手工加工金属零件最高精度只能达到0.01mm。如果手工研磨金属镜面,镜面的平整度是有可能达到那个精度的。
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