The Managerial System and Operational System of Engineering Training Center in Universities and Colleges:--A Case Study of the Engineering Training Center in Nanjing University of Aeronautics and Astronautics是什么意思_The Managerial System and Operational System of Engineering Training Center in Universities and Colleges:--A Case Study of the Engineering Training Center in Nanjing University of Aeronautics and Astronautics在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句