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機械新手,有個小問題請教各位大佬 |
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點評
仔細一看這是那個大哥畫的圖紙,憨批,估計是表達上下的破口樣式又不想出個投影,斷面圖也不是這么畫的
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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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