frequency converter是什么意思 frequency converter怎么读
frequency converter的用法和样例
- The switchgear cabinets for this crane series feature frequency converter technology.
此系列起重机的开关箱采用变频器技术。 - 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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