A New Method of Discrete Variable Voltage Variable Frequency Soft Start to Increase Torque for Thyristors Driving an Induction Motors是什么意思_A New Method of Discrete Variable Voltage Variable Frequency Soft Start to Increase Torque for Thyristors Driving an Induction Motors在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句