4765| 13
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拉伸試驗(yàn)5秒完成了彈性階段,正確嗎 |
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點(diǎn)評(píng)
還和截面積有關(guān)系,力除以面積,應(yīng)該345MPa屈服才對(duì),一般要按要求做成試樣,型材的話不清楚,有相關(guān)標(biāo)準(zhǔn)吧
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