大跨连拱拱桥
Long-multi-span Arch Bridge
钢拱肋系杆拱桥
tied arch bridge with steel arch rib
钢筋混凝土拱肋
reinforced concrete arch rib
钢筋混凝土肋拱桥
reinforced concrete ribbed arch bridge
钢箱拱肋
steel box girder arch rib
steel box arch ribs
steel box arch rib
steel box arch
拱肋承载力
bearing capacity of arch ribs
拱肋吊装
rib-assembling
arch rib assemble
lift of arch ribs
Lifting of arch ribs
hoisting of arch rib
arch rib hoisting construction