片语
floor arch girder楼盖主梁
arch continuous box girder bridges拱形连续梁
hybrid arch and girder bridge拱
girder arch板梁桥
trussed arch girder桁架梁
trussed arch girder west bank桁架梁
arch-girder combination bridge拱梁组合桥梁
continuous girder arch bridge连续梁拱桥
Steel trussed arch girder钢桁拱梁