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[材料力学] 材料的变形能反映出材料的哪些性质? |
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发表于 2007-7-25 13:57
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谢谢!
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发表于 2007-7-27 08:49
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发表于 2007-10-18 01:03
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发表于 2007-10-29 22:29
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发表于 2007-10-30 09:48
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概念没搞清楚
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