beam-arch structure on arch
Beam String Structure
张弦梁
张弦式桁架
空间张弦结构
弦支梁
张弦结构
张弦梁结构
索-梁结构
beam string structure BSS
bi-directional beam string structure
continuous beam string structure
segment tensioned beam string structure
spatial beam string structure
two-way beam string structure(BSS)
roof model of National Gymnasium bi-directional beam string structure
Arch Beam Composite Bridge
Arch Structure
结构拱
拱式结构
弧壁面切煤机
背斜构造
拱圈
拱结构
拱形结构
arch truss string structure
Arch-beam Composite Bridge
arch-beam composite system bridge
arch-beam composition structure
back-bone style arch structure tent