大跨度空间钢管桁架结构
large-span spatial steel pipe truss structures
空间钢管－板XX型节点
gusset plate to CHS XX-joints
空间钢管桁架
multiplanar steel tybylar struss
无球节点空间钢管框架
no－ ball joint spacial steel pipe frame
抗力矩空间构架
moment resisting space frame
空间构架系统
space frame systems [public works category
space frame systems
750kV钢构架
750kV steel lattice flame
薄壁空间钢结构
thin-walled spatial steel structures