薄壁空间钢结构
thin-walled spatial steel structures
大跨度空间钢结构
Long-span Spatial Steel Structure
Large-span Space Steel Structure
大跨空间钢结构
long span steel structure
large span spatial steel structure
large span steel structure
既有大跨度空间钢结构
existing large span steel structure
既有大型刚性空间钢结构
existing large span steel structures
空间钢结构CAD
spatial steel structure CAD
大跨度空间钢管桁架结构
large-span spatial steel pipe truss structures
钢空间框架结构
steel space frame structure
空间弯扭钢结构
spatial bending and torsion steel structure
多中心城市空间结构
Multi-center city spatial structure
C型空间结构
C-shaped strata spatial structure
OZ字型空间结构
the spatial structure in the form of OZ
板片空间结构体系
sheet-space structure system
板系空间结构
plated spatial structures
北京工业大学空间结构研究中心
Research Center on Spatial Structures
Beijing University of Technology
变边界约束空间结构
spatial structure with changed restrained boundari