steel cap钢顶梁
steeln.钢铁;钢制品;钢铁般的性质vt.使坚强;使 ... 硬如钢;使下定决心adj.钢的;坚强的
steel-pipe-concrete arch bridge钢管混凝土拱桥
Steel/PU/Steel Sandwich Plate钢/聚氨酯/钢复合板材
steel-pipe concrete arched bridge钢管混凝土拱桥
steel structure with inclined brace斜腿刚构
steel - fiber reinforced concrete钢纤维混凝土
Steel castings for welded structure焊接结构用钢铸件
steel-tube concrete arch-bridge钢管混凝土拱桥
Steel galvanised and painted bronze钢镀铜着色
steel-concrete hybrid arch bridge钢-混凝土混合拱桥
steel mesh trellis section concrete钢网格构型钢混凝土