片语
continuous truss composite bridge连续钢桁结合梁桥
continuous steel truss beam连续钢桁梁
beam of concrete continuous truss混凝土连续桁梁
welding-bolted continuous truss栓焊钢桁渠
continuous steel truss arch bridge连续钢桁拱桥
continuous steel truss连续钢桁
continuous steel truss arch连续钢桁拱
continuous steel truss bridge连续钢桁粱桥
continuous steel truss bridges连续钢桁梁桥