The siliconcontrolled excited device of SEC22 digit synchronous motor is designed on basis of MI-MOREGK6RA22 digit DC drive of Germany SIEMENS Company.是什么意思_The siliconcontrolled excited device of SEC22 digit synchronous motor is designed on basis of MI-MOREGK6RA22 digit DC drive of Germany SIEMENS Company.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句