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求助:钻杆简单振动模型的建立? |
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发表于 2006-4-17 14:35
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回复:(tyh2006)求助:钻杆简单振动模型的建立?
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发表于 2006-4-17 14:36
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回复:(tyh2006)求助:钻杆简单振动模型的建立?
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发表于 2006-9-4 16:13
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