4465| 8
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這個截面的鋁型材,能買到現成的標準件么? |
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點評
老兄,開模后多大的量起步可以做
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小黑屋|手機版|Archiver|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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