前言：研究了利用脱炭粉煤灰和高效早强减水剂的“双掺”技术，进行了公路混凝土路面的修复技术研究；

Using "double mixed" technology of decarburized fly ash and highly effect early strength water reducer, the renovation technologies of highway concrete pavement were studied.

youdao

前言：研究了利用脱炭粉煤灰和高效早强减水剂的“双掺”技术，进行了公路混凝土路面的修复技术研究；

Using "double mixed" technology of decarburized fly ash and highly effect early strength water reducer, the renovation technologies of highway concrete pavement were studied.

youdao