空间框架结构  space frame structures; space structures

薄壁空间钢结构  thin-walled spatial steel structures

充水钢框架结构  water filled steel framed structure

大空间钢结构  large-spatial 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

钢结构框架  steel frame; Steel framework; Steel structural Frame

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

空间钢构架  space steel frame; spatial steel frame

空间钢结构  spacial steel structure; steel structure; Spatial steel structures; space steel structure; spatial steel structure

空间钢结构CAD  spatial steel structure CAD

空间钢框架  spatial steel frames; spatial steel frame; spaced framed structure; space steel frame

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