4851| 30
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[案例分析] 450HZ处的峰值是哪来的? |
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点评反对: 5.0
反对: 5
还是问问楼主,设备是什么轴的比较稳妥,如果是滚动轴承?
反对: 5
还是问问楼主,设备是什么轴的比较稳妥,如果是滚动轴承? | ||
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