Dr. Yanyan Chen, Professor &Dean, the College of Metropolitan Transportation, Beijing University of Technology.

陈艳艳，教授，北京工业大学城市交通学院院长。

youdao

Dr. Yanyan Chen, Professor &Dean, the College of Metropolitan Transportation, Beijing University of Technology.

陈艳艳，教授，北京工业大学城市交通学院院长。

youdao