大跨钢箱拱桥
Large-span Steel Arch Bridge
钢拱肋系杆拱桥
tied arch bridge with steel arch rib
Ⅲ级热轧带肋钢筋
grade hot-rolled ribbed bar
HRB400热轧带肋钢筋
HRB400 hot-rolled ribbed steel bars
H型薄壁变异钢拱架
H-stub thin-walled variant steel arch centering
H型钢钢混叠合梁
H-formed steel concrete composite girder
Nb-B系高强度集装箱钢板材料
Nb-B high strength container plate
半封闭钢箱组合梁
semi-closed steel box composite girde
扁平钢箱梁
flat steel-box-girder
flat steel box girder
flat steel box shaped birder
flat steel-box grider
flatpot steel box girder