6805| 18
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這兩種類型的工件沒做過,有無合適的工藝 |
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點評
冷擠壓的工藝請介紹一下,讓大家了解了解。
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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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