新华社北京8月16日电（记者齐中熙）2022年北京冬奥会配套项目——京张高铁接触网第一杆16日成功组立，标志着京张高铁站后四电系统集成工程正式开工。

The 2022 Beijing Winter Olympics supporting project, the first pole of the Beijing-Zhangjiakou Intercity Railway catenary was successfully established on the August 16th, marking the start of the integrated engineering  (including comminication engineering, signaling engineering, electric power engineering and electrification engineering) of the Beijing-Zhangjiakou Intercity Railway .

据中国中铁电气化局京张高铁项目部负责人介绍，新建京张高铁最高设计时速350公里，正线由北京北站至张家口南站，全长174公里，共设10座车站，崇礼支线全长54公里，共设2座车站，是支撑2022年北京冬奥会的交通保障线，也是促进京津冀一体化发展的经济服务线。

According to a Beijing-Zhangjiakou Intercity Railway Project leader from China Railway Electrification Engineering Group Co., ltd, the highest design speed of the railway is 350 kilometers per hour. The main line is from Beijing North Railway Station to Zhangjiakou South Station with total length of 174 kilometers and 10 stations altogether. A railway branch line, along Chongli county of Tianjin, is a transportation support line supporting the 2022 Beijing Winter OlympicsIt and an economic service line promoting the integrated development of Beijing, Tianjin and Hebei.  The branch line is 54 kilometers with two stations.

据悉，京张高铁四电系统集成工程建设中将应用“互联网+”、大数据、智能腕臂和吊弦预配系统等技术，全力支撑智能京张的建设任务。全线预计2019年底建成通车，届时旅客乘火车从北京到张家口的时间将缩短到1小时。

It is reported that science and technologies such as Internet plus , big data, intelligent contilever and  dropper pre-distribution system will be applied to intergrated engineering construction of Beijing-Zhangjiakou Intercity Railway so as to fully support the construction of intelligent BeiJing-Zhangjiakou Intercity Railway. The whole line is expected to be completed and open by the end of 2019. By then, the time for passengers to travel from Beijing to Zhangjiakou by train will be shortened to one hour.

来源：新华社  记者：齐中熙