Measurement of the Polarity and Phase Sequence of Main and Adjustable Coils in an Inner Feedback Three Phase Asynchronous Motor是什么意思_Measurement of the Polarity and Phase Sequence of Main and Adjustable Coils in an Inner Feedback Three Phase Asynchronous Motor在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句