亚洲av综合久久伊人,国产日韩久久免费影院,中日韩激情白浆一区二区三区,AV片在线观看

Home>>

High-speed rail showcasing China's independent innovation | Stories shared by Xi Jinping

(Xinhua) 14:43, October 19, 2021

 

Witnessing original speed of 35 kilometers per hour up to 350 today, the Beijing-Zhangjiakou railway, the first designed and built by Chinese, shows the development of the country's railways and economy.

(Web editor: Shi Xi, Liang Jun)

Photos

Related Stories