4936| 12
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直径55毫米的轴承内孔,公差正负0.01,现正公差超差0.05,如何补救? |
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发表于 2021-3-30 10:24:40
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发表于 2021-3-30 11:08:06
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发表于 2021-3-30 13:27:37
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