The orthogonal experiment design method is proposed for high-performance and mini-expansion CFST mix designs.

钢管混凝土配合比设计，目前一直没有一种大家公认的设计方法。

youdao

The orthogonal experiment design method is proposed for high-performance and mini-expansion CFST mix designs.

钢管混凝土配合比设计，目前一直没有一种大家公认的设计方法。

youdao