多高层钢结构
multi-story and tall steel structure
multi and tall steel building
多层钢结构住宅
multi-storey steel structure residential building
多层钢结构
multiple-story steel buildings
底架钢结构
under frame steel structure
steel structure of underframe
大跨空间钢结构
large span steel structure
long span steel structure
large span spatial steel structure
大跨钢结构
large scale steel structures
Large-span Steel Structure
large-sp an steel structures
大跨房屋钢结构
Large-span Steel Structure
车顶钢结构
steel structure of car roof
超高层钢结构
super high-rise steel structure
super tall steel structure
超薄钢结构
ultra-thin steel structure
薄壁空间钢结构
thin-walled spatial steel structures
薄壁钢结构
thin walled steel structure
thin-walled steel structure
标准钢结构
standard steel construction