2747| 11
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防劃傷 |
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點(diǎn)評(píng)
我指的是在加工、周轉(zhuǎn)過程中,零件表面的劃傷
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點(diǎn)評(píng)
細(xì)微的劃痕通過表面處理能遮蓋一點(diǎn),較深的就難了
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