9213| 25
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加工花鍵-車工請教 |
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點評
小尺寸花鍵,不是模鍛,是冷滾壓。
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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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