秦岭终南山公路隧道是中国目前在建的最长的公路隧道。

The Zhongnanshan highway tunnel in Qinling is the longest tunnel under construction in China now.

youdao

秦岭终南山公路隧道是中国目前在建的最长的公路隧道。

The Zhongnanshan highway tunnel in Qinling is the longest tunnel under construction in China now.

youdao