粗大挺进尤物人妻中文字幕|一级国产视频|亚洲日韩国产精品无码专区|91精品久久久久久久久无码变态|亚洲AV成人片无码网站网|欧美变态味孕交

  

The World's First 350 km/h Smart High Speed Railway: Beijing-Zhangjiakou Railway, a Milestone in Railway Development and National Strength: People's Daily

 

     On December 30, 2019, the Beijing-Zhangjiakou High Speed Railway commenced operation. It is the world's first smart high speed railway with a speed of 350 km/h, achieving manned automatic driving. A century of effort culminated in the realization of the Beijing-Zhangjiakou High Speed Railway. President Xi Jinping praised it deeply: "From the breakthrough of autonomous design and construction to the world's most advanced level, from a speed of 35 km/h to 350 km/h, the Beijing-Zhangjiakou High Speed Railway has witnessed the development of China's railways and the leap in China's comprehensive national strength."

  With automatic departure at scheduled times, automatic operation between sections, automatic station alignment and parking, the coordinated opening of doors and platform screen doors, and more, the Beijing-Zhangjiakou High Speed Railway became the first in the world to achieve manned automatic driving at an operating speed of 350 km/h. On the day of its opening, China's high speed railway mileage reached 35,000 kilometers, ranking first in the world. Today, China's total railway mileage has surpassed 160,000 kilometers, with high speed railways reaching over 46,000 kilometers. The most modernized railway network and the most advanced high speed railway system in the world are changing China with unprecedented depth and breadth.

附件:
回到頂部
   粗大挺进尤物人妻中文字幕|一级国产视频|亚洲日韩国产精品无码专区|91精品久久久久久久久无码变态|亚洲AV成人片无码网站网|欧美变态味孕交 台南县| 平湖市| 五常市| 孟津县| 重庆市| 奎屯市| 任丘市| 金湖县| 余姚市| 沙洋县| 鹤壁市| 商城县| 萍乡市| 永丰县| 建湖县| 龙游县| 清水河县| 澎湖县| 那曲县| 苍梧县| 乐清市| 中西区| 清远市| 四平市| 绥德县| 安阳县| 清苑县| 泸溪县| 乌兰浩特市| 乡城县| 肇东市| 剑阁县| 寿阳县| 丹江口市| 洛浦县| 铁力市| 宜章县| 宜良县| 荃湾区| 高邑县| 邢台市| http://444 http://444 http://444 http://444 http://444 http://444