steel truss girder bridge钢桁梁桥
truss beam bridge桁架桥
combined truss beam bridge组合桁架梁桥
steel truss arched bridge钢桁拱桥
truss arch bridge桁架拱桥
steel truss arch bridge钢桁架拱桥;钢桁架系杆拱桥
through truss composite bridge下承式钢桁结合桥
continuous truss composite bridge连续钢桁结合梁桥
steel truss composite bridge钢桁结合梁
N（名词） a bridge that is constructed of trusses 桁架桥