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機(jī)械設(shè)計(jì)手冊(cè)中一個(gè)例題還沒(méi)看完已經(jīng)發(fā)現(xiàn)三處計(jì)算錯(cuò)誤 |
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點(diǎn)評(píng)
第四版好像沒(méi)有第三處那個(gè)得數(shù)
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點(diǎn)評(píng)
看國(guó)標(biāo)啊。不知道你看的是什么資料
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點(diǎn)評(píng)
還有這么說(shuō)法。。。。。。
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