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彈簧套加工有什么更好的辦法? |
點評
切前。熱處理之后一次,精加工后一次。
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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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