6128| 40
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[案例分析] 请大家帮忙看看这频谱怎么回事 |
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发表于 2011-7-14 14:27
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发表于 2011-7-14 15:49
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点评
2973是标牌标注的转速,电机单转时转速基本2998转以上(二极电机)
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