影响混凝土强度的方式是在混凝土中形成絮状集合体和树枝状细脉。

The way to influence the concrete strength is floc and arborization formed in concrete.

youdao

影响混凝土强度的方式是在混凝土中形成絮状集合体和树枝状细脉。

The way to influence the concrete strength is floc and arborization formed in concrete.

youdao