发布时间:2025-01-21 06:32:33
变频器供电笼型异步电机应用导则指出:应该两端接地。个人意见,先按照两端接地试验,若地电流较大的话,可考虑改为单端接地!
请教在11g101中基本锚固长度labe和抗震锚固长度lae的区别实际中用哪个
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