全国高端外围安排,微信600三小时全套人到付,附近找茶,苏州品茶嫩茶wx联系方式

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

Source: Xinhua| Published: 2021-10-19

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.?

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