In fact, the high density of cement is explained by this nanostructure.

事实上，水泥的高密度特性可以通过这种纳米结构得到解释。

youdao

In fact, the high density of cement is explained by this nanostructure.

事实上，水泥的高密度特性可以通过这种纳米结构得到解释。

youdao