3359| 14
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對機構受力分析很模糊,不知道如何選擇電機,希望得到指點一二。 |
點評
旋轉中心,筆誤
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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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