16054| 20
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45度倒角尺寸你怎么標? |
點評
我也是
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點評
當有數顯卡尺時,人們就不會研究普通的卡尺原理啦。所以,有圖庫時,我等年輕人就不會記那么多了。
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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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