研究对高速公路裂缝类病害的养护、维修与预防具有重要意义。

The study has important significance in the maintenance and prevention of the damage in freeway.

youdao

研究对高速公路裂缝类病害的养护、维修与预防具有重要意义。

The study has important significance in the maintenance and prevention of the damage in freeway.

youdao