Secondly, I have researched the influence of prestressed reinforcement on the torsion of curved girder bridges.

其次，研究了预应力混凝土曲线梁桥中预应力钢束对曲线梁桥扭矩的影响。

youdao

Secondly, I have researched the influence of prestressed reinforcement on the torsion of curved girder bridges.

其次，研究了预应力混凝土曲线梁桥中预应力钢束对曲线梁桥扭矩的影响。

youdao