精品啪在线观看国产九色_一区二区不卡区日韩_兰花草电影在线观看_狠狠色丁香婷婷久久_国产极品美女高潮无套175_飘雪电影完整版在线观看免费_自拍欧美日韩在线_日韩爆乳无码中文字幕网站_中文字幕有码免费一区二区_80岁耋耋ChⅰheSe老太交

Dayaoshan Tunnel
Source:International Business Division Date:2018年11月27日

Anthem of CREC—“Trailbreaker”

With a total length of 14 kilometers, Dayaoshan Tunnel of Hengyang-Guangzhou Railway, started in 1981 and completed in 1989, at which time it was the longest electrified double-track railway tunnel in China. CREC independently built the entire tunnel and applied the New Austrian Tunneling Method for the first time to build long mountain railway tunnel and won the National Science and Technology Advancement Award.

Daoyaoshan Tunnel

 

Print Close

Contact Us

Address: China Railway Plaza, No.69 Fuxing Road, Haidian District, Beijing, P.R. China

Post Code: 100039E-mail: crecwebmaster@163.com

Fax: +86-010-51877688Web: http://nstpm.com.cn/english/1990/index.html

@ 1999-2019 CREC All Rights Reserved