The rotor pre-setting start method is used to start motor, which simplifies the starting procedure and ensures to start the motor reliably at any position of the rotor.是什么意思_The rotor pre-setting start method is used to start motor, which simplifies the starting procedure and ensures to start the motor reliably at any position of the rotor.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句