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[其他相关] 【求助】估算等效弹簧系数K |
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发表于 2005-11-1 18:21
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回复:(haiwind009)【求助】估算等效弹簧系数K
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发表于 2005-11-2 15:24
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回复:(haiwind009)【求助】估算等效弹簧系数K
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发表于 2009-10-31 22:47
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