大跨度空间钢管桁架结构  large-span spatial steel pipe truss structures

大跨度钢桁架  Large-span Steel Truss; Big-span Steel Truss

大跨度钢管混凝土拱桥  long span CFST arch bridge; Long-span concrete-filled steel tube arch bridge

大跨度桁架  Large-span Truss

钢桁架-钢管混凝土柱节点  steel truss-CFST column joint

大跨度钢拱桥  Long-span steel arch bridges; long span steel arch bridge

大跨度钢结构  Large-span Structure; Large-span Steel Structure; large span steel structure; long-span steel structure; long span steel structure; long-span steel structures; big-span steel structure

大跨度钢结构厂房  Large-span Steel Structure Workshop

大跨度钢结构曲梁  large span curved beam

大跨度钢筋混凝土梁  large-span RC girder

大跨度钢筋混凝土箱形拱桥  long-span concrete arch bridge

大跨度钢桥  large span steel bridge; Large steel bridge

大跨度钢屋盖  large-span steel roof; long-span steel roof

大跨度钢屋架  long-span roof truss

大跨度钢箱梁  large-span steel box beams

大跨度钢斜拉桥  Long-span steel cable-stayed bridge

大跨度钢栈桥  large-span steel trestle

大跨度架桥机  Large span bridging machine

桁架跨度  truss span