活性微细矿渣粉是高性能混凝土中一种重要的胶凝材料。

Active Micro slag fines are a kind of important cementing material in high - performance concrete.

youdao

活性微细矿渣粉是高性能混凝土中一种重要的胶凝材料。

Active Micro slag fines are a kind of important cementing material in high - performance concrete.

youdao