Thee tunnel's course is flat and straight instead of winding up through the mountains like the old rail tunnel and a road tunnel opened in 1980.

圣哥达隧道走势平直，没有仿效过去的铁路隧道和1980年投入使用的公路隧道环山的设计。 。

youdao

Thee tunnel's course is flat and straight instead of winding up through the mountains like the old rail tunnel and a road tunnel opened in 1980.

圣哥达隧道走势平直，没有仿效过去的铁路隧道和1980年投入使用的公路隧道环山的设计。 。

youdao