钢板梁桥
steel plate girder bridge
steel plate bridge
铁路钢板梁桥
railway steel plate girder bridge
下承式钢板梁桥
Trough steel plate bridge
钢混桥梁面板
steel-concrete bridge deck slab
桥梁钢超厚板
extra-thick plate of bridge steel
T梁桥和空心板梁桥
T-shaped beam bridge and hollow slab bridge
波纹钢板桥涵
corrugated steel bridge and culvert
钢桥梁焊接构件
welded steel bridge members
高强度桥梁钢
high strength bridge steel
high-strength bridge steel plate
高强桥梁钢
high-strength bridge steel
高性能桥梁钢
high performance bridge steel