支持型管母Π型架构组立方案的改进

Improving the Method of Assemble-Standing Π Type Truss Sustaining Tubate Generatrix

介绍了一种支持型管母Π型架构组立的新方案。采用地面拚装 ,整体组立调整的作业程序 。

It introduces a new method of assemble standing Π type truss which sustains tubate generatrix.Adopting assembly work on the ground,the task has more remarkable value than the method of single pole standing anciently.