5127| 11
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请教高人螺旋轴的轴向推力计算 |
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点评
设计啥时候都这么水了?
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发表于 2019-12-25 21:02:27
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发表于 2019-12-26 09:40:04
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发表于 2019-12-26 11:00:26
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