皂化渣粉煤灰可以用做桥头等高填土路段的回填材料。

Saponification slag-fly ash can be used in the high fill sections of highway.

youdao

皂化渣粉煤灰可以用做桥头等高填土路段的回填材料。

Saponification slag-fly ash can be used in the high fill sections of highway.

youdao