2496| 4
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韌性金屬拉伸或壓縮試驗(yàn)對(duì)載荷速率的變化比較敏感,,為何,? |
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點(diǎn)評(píng)
彈性模量一樣,應(yīng)變也一樣,,那作何解釋,??,?,???,?,??,?,??,?,??,?,??,?,??,?
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