弄清城市噪声污染情况对噪声控制和城市规划有指导作用。

Ascerting the noise pollution will guide noise control and the city planning.

youdao

弄清城市噪声污染情况对噪声控制和城市规划有指导作用。

Ascerting the noise pollution will guide noise control and the city planning.

youdao