3240| 3
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現有45#鑄鋼件,薄臂形狀復雜,調質處理后變形量較大 |
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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