The development of DCU for AC drive locomotives is presented. Design elements of DCU modules and the fundamental principles for generalization and modularization design are put forward.是什么意思_The development of DCU for AC drive locomotives is presented. Design elements of DCU modules and the fundamental principles for generalization and modularization design are put forward.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句