Note the timely implementation of preventive conservation measures can greatly increase the conservation benefits and improve the road service life.

说明及时实施预防性养护对策能大大提高养护效益，提高路面使用寿命。

youdao

Note the timely implementation of preventive conservation measures can greatly increase the conservation benefits and improve the road service life.

说明及时实施预防性养护对策能大大提高养护效益，提高路面使用寿命。

youdao