5429| 10
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7A09材質(zhì)的鋁板怎么加工正負0.02mm的厚度,0.02mm的平面度,0.02的平行度 |
點評
我能磨,我微信18475231881
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點評
板子的應(yīng)力一定要通過熱處理工藝釋放出來
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