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發(fā)布時(shí)間: 2018-12-22 22:05
正文摘要:求高手老師解答！物體A逆時(shí)針旋轉(zhuǎn)90°，求底座的受力與強(qiáng)度計(jì)算方法，非常感謝！ |
| 老師，您好！物體右邊底框上有一個(gè)支點(diǎn)。請(qǐng)高手老師指教！非常感謝！ |
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