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我做的計算機輔助設計,只要按一個按鈕就可以畫出螺栓的立體圖及平面圖 |
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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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