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，可工频驱动，转速不可调。
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，可工频驱动，转速不可调。
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