2415| 4
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韌性金屬拉伸或壓縮試驗對載荷速率的變化比較敏感,,為何? |
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點評
彈性模量一樣,,應(yīng)變也一樣,,那作何解釋?,?,??,?,??,?,??,?,?,?,??,?,??,?,??,?
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