3320| 7
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這兩種懸臂梁的應力差別 |
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點評
第二種的和第一種一樣?這么說2塊2mm的板的效果和1塊4mm厚度的板的效果一樣?
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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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