4041| 8
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紧急求助,50G,11ms的半正弦脉冲波,怎么计算冲击时位移? |
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发表于 2007-8-2 06:52
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发表于 2007-8-2 08:23
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发表于 2007-8-2 08:29
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发表于 2007-8-2 13:03
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你用这个公式看看。
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发表于 2007-8-2 14:57
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