薄壁空间钢结构
thin-walled spatial steel structures
充水钢框架结构
water filled steel framed structure
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
钢框架结构
steel framed structure
steel-frame structure
steel frame structures
steel frame structure
steel moment resisting frame
steel frame construction
steel frame
steel-frame construction
steel frames
钢框架结构柱
steel frame structural columns
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
巨型钢框架结构
steel mega-frame structures
mega steel frame
mega steel frame structure
空间钢结构CAD
spatial steel structure CAD
框架钢结构体系
frame steel structure system
裂解炉钢结构框架
Cracking furnace steel frame
超长钢筋混凝土框架结构
over-long reinforced concrete frame structure