混凝土预制梁

      采用工厂预制，再运至施工现场按设计要求进行安装固定。质量可靠，制作精度高，广泛应用于框架结构。

      Prefabricate in factory and then transport to the construction site, install and fix in accordance to the design requirements, its quality is reliable and it is well-made and widely used in the frame structures.