arched corrugated steel roof  拱形波纹钢屋盖

arched corrugated steel roof ACSR  拱型波纹钢屋盖

colored sheet steel roof  彩钢板屋面

Corrugated Roof Steel  瓦楞屋面钢板; 波纹屋面钢

existing large span steel structures  既有大型刚性空间钢结构

flexible light steel roof  柔性轻钢屋面系统

High-rise Steel Structures  钢结构

high-strength cold-formed thin-walled steel structures  高强冷弯薄壁型钢结构

Large cantilevered steel roof structure  大悬挑钢屋盖结构

large scale steel structures  大跨钢结构

large span pre-tension steel roof  大跨度预应力钢屋盖

large-sp an steel structures  大跨钢结构

LARGE-SPAN STEEL ROOF  大跨度钢屋盖

light weight steel roof  轻钢屋面

light-gauge steel roof  轻钢屋面

Lightweight Steel Roof  轻钢屋面; 轻钢屋盖

LIGHTWEIGHT STEEL STRUCTURES  轻型钢结构; 轻钢结构

Long-Span Steel Roof  大跨度钢屋盖

long-span steel structures  大跨度钢结构