Tags: China tunnel, China tunnel boring machines, Chinese Journal of Mechanical Engineering, Chinese Journal of Mechanical Engineering tunneling
Drilling completes on high-speed rail Gaojiaping tunnel through Hubei karst landscape
With a total length of 5,506 meters, Gaojiaping tunnel of Zhengzhou-Wanzhou high-speed railway (Zhengwan high-speed railway) completed drilling on Monday after 4 years. http://www.ecns.cn/video/2021-04-14/detail-ihakiuvi4581054.shtmlTags: China tunnel, China, China tunnel technology, China tunnels
Tags: China tunnel, China tunnel science, China tunnel academy
Tags: China tunnel science, China tunnel, China tunneling, China science
cover tunnel photo by: Matt Brown from London, England / CC BY
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