4100| 8
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倒角加工不良,是過度磨損造成的? |
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點評
為什么不考慮用锪刀做呢?那樣效率更高 質量更穩定
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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