Therefore, research on the impact resistance of CFT structures become very necessary.

因此，对钢管混凝土结构的抗冲击性能研究变得十分必要。

youdao

Therefore, research on the impact resistance of CFT structures become very necessary.

因此，对钢管混凝土结构的抗冲击性能研究变得十分必要。

youdao