ISBN: 9787113140557 - zj-铁路隧道工程工艺试验工作指南 中国铁道出版社 9787113140557 (1 Ergebnisse)

paperback. Zustand: New. Paperback Pages Number: 97 Language: Chinese. Tunnel is a form of use of underground space. is a major component of the project construction and structure. Called through the mountains or hills mountain tunnel under the river or the ocean floor called the underwater tunnel. known as the city crossing from the urban underground tunnel. China's railway construction. tunnel occupies a very high ratio. such as the Wuhan-Guangzhou Passenger Line tunnels total length of 165km. the total length of 2. …