2549| 5
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設計一個檢測孔位置度的圓盤檢具,,圓盤通的合格,不通不合格 |
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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,,浙公網安備33038202004372號 )
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