6551| 18
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軸設(shè)計(jì)成空心的還能提高強(qiáng)度嗎? |
評(píng)分
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點(diǎn)評(píng)
對(duì) 一定要有前提條件,再同等截面面積下 空心軸外徑會(huì)大點(diǎn),去掉不受力的中心部分,增加了抗彎抗矩強(qiáng)度。
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點(diǎn)評(píng)
+1
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