6898| 27
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需要沖壓一個銅片,因為本人沒接觸過模具這個行業,特來求教! |
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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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