The results provide the references for design and construction of tunnel.

其结论可为隧道设计和施工提供重要参考。

youdao

So the surveying of tunnel contour is very impotent and meaning to the construction of tunnel.

隧道断面测量在隧道施工中是非常必要的，对隧道施工具有指导意义。

youdao

The stability analysis of supporting structure of tunnel surrounding rock is an extremely important study of the safe construction of tunnel.

隧道围岩-支护结构稳定性分析是公路隧道安全施工的一项极为重要的研究内容。

youdao

Construction of the tunnel started in November 2007.

FORBES: Bill Nye Should Check Out China; Another "World's Fastest" Train Near Complete

Proponents of the project argue construction of the tunnel will provide economic benefits for Russia by allowing the country to develop its resource-rich, remote Far East region, while providing the U.S. with a reliable source of long-term energy.

CENTERFORSECURITYPOLICY: The Bering Strait Tunnel Project

In their 1950s heyday the ferries carried millions of passengers, but these numbers dropped due to competition from rail and the construction of the second Mersey road tunnel in 1971.

BBC: Mersey Ferries to be reviewed over ?1m yearly losses