5201| 10
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想找一種取代304不銹鋼的防銹材料 |
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點評
見不到加工痕跡就行? 如今數控精車就能達到,車好后用拉絲布拋光即可,尺寸光度應該能保證吧?
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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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