C30 The Appearance of a Railway University Student

But what surprised Jianjun Cheng the most was that he met the expert, Yu Zhanyou, who drove a hundred people class in a multimedia classroom. He talked about the advantages and disadvantages of Japanese train systems 0, 100, 200, 300 and 400.

It was a hearty speech that made Cheng Jianjun feel the depth and breadth of knowledge