3363| 3
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直徑32的45號鋼,,經(jīng)過鐓粗和鍛打過程,,產(chǎn)品開裂 |
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點評
這應該是自由鍛吧,只是簡單的模型
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
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