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叶片断裂瞬间的波形频谱图 |
回复:(xianglove)是谁的12倍呢?是转速的12倍吗?好...
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回复:(suffer)以下是引用Anonymous在2005-7-5 18:4...
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回复:(suffer)以下是引用Anonymous在2005-7-5 18:4...
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回复:(苹果泥)以下是引用WangZS在2005-11-4 10:52:...
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