22104| 69
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機加高人給支個招,這個產品先端的R2怎么加工,好難呀! |
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點評
問題是如何用機加工完成。
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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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