When the frequency changer has malfunction, power frequency is adopted, and the motor speed is nonadjustable.
万一变频器出现故障时,可
频驱动,转速不可
。


,不需


When the frequency changer has malfunction, power frequency is adopted, and the motor speed is nonadjustable.
万一变频器出现故障时,可
频驱动,转速不可
。
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