结构由几个钢筋混凝土波浪状拱构成，支撑起一条四车道的公路。

The structure comprises several arching waves of reinforced concrete, which support a four-lane highway.

youdao

结构由几个钢筋混凝土波浪状拱构成，支撑起一条四车道的公路。

The structure comprises several arching waves of reinforced concrete, which support a four-lane highway.

youdao