2676| 8
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請教 :這個零件的沖壓工藝及模具結構 |
點評
孔會變形,也容易將零件拉斷。
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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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