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大神們看看這種薄壁鋼管是怎么加工的 |
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點評
應該叫冷拔成型
也是通過模具去擠壓
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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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