- 15, speed or frequency matching device
- 速度或频率匹配元件，其功能是调整和保持一台电机或一个系统的速度或频率，使之与另一台电机或系统的速度或频率相等或接近。
English-Chinese electricity dictionary (电气专业词典). 2013.
15, speed or frequency matching device
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