成人高潮潮喷视频在线观看|中日韩国语视频在线观看|国产一级无码黄色片子|国产精品中文字幕在线|国产激情艳情在线看视频|国产毛多水多高潮高清

  

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
   成人高潮潮喷视频在线观看|中日韩国语视频在线观看|国产一级无码黄色片子|国产精品中文字幕在线|国产激情艳情在线看视频|国产毛多水多高潮高清 浠水县| 临清市| 敦煌市| 天柱县| 盐山县| 芮城县| 台北市| 常德市| 枞阳县| 靖远县| 襄汾县| 巴南区| 军事| 关岭| 西畴县| 白水县| 稻城县| 蓬溪县| 西平县| 彭泽县| 洮南市| 游戏| 泸州市| 顺平县| 肇庆市| 阿克陶县| 杨浦区| 黎川县| 翁源县| 射洪县| 大关县| 施秉县| 灵宝市| 浦江县| 石楼县| 凯里市| 铜陵市| 崇信县| 长宁区| 高要市| 丹江口市| http://444 http://444 http://444 http://444 http://444 http://444