4439| 5
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鍵槽標注 |
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點評
反正我一直以來同軸徑的鍵槽不會標記2次 加工的看到2個軸徑是一樣的 就知道鍵槽也一樣
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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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