Through the introduction of the design option of Tangjia Bridge Road (S) under-railway tunnel the paper points out the importance of drainage and consolidation design of tunnels in coastal area.
通过介绍汤家桥南路下穿铁路的地道设计方案，指出在沿海地区地道排水及加固设计的重要性。
The road double lines multi-arch tunnel has such advantages as low ground area, easy connection with other lines and so forth, and is adopted more and more widely in high grade road construction.
公路双线连拱隧道以其占地少、与线路连接方便等突出优势在高等级公路建设中被越来越多的采用。
If the steel is used for a low urban-area bridge or overpass that creates a tunnel-like configuration over a road on which deicing salt is used.
如果钢是用在使用融雪剂的道路隧道桥或立交桥之下的城市桥梁。
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