承重体系 meaning in Chinese

supporting system

Analysis on structure and force principle of composite box - grider bridge with corrugated steel webs
组合楼盖竖向承重体系中楼板变形及内力分析
In this paper , a new truss system is designed based on structural systems in use that is used to resist vertical and lateral loads
笔者在对比借鉴现有结构体系的基础上构思出一种新型桁架体系，用以作为结构的承重体系和横向抗侧体系。