underfrequency翻譯，underfrequency的意思，underfrequency同義詞，underfrequency的反義詞，underfrequency短語詞匯

詞語：underfrequency

underfrequency的意思

underfrequency 低於額定頻率;頻率過低;降低了的頻率最低的頻率;頻率過低，降低的頻率;underfrequency relay 低頻繼電器;underfrequency protection 欠頻保;欠頻保?;underfrequency pc card 低於額定頻率百分數卡;