短語詞組短語girder bridge structure 梁橋結(jié)搆girder transfering structure 梁式轉(zhuǎn)換結(jié)搆girder beam structure 遊粱結(jié)搆girder r structure 梁式結(jié)搆spatial girder panel structure 空間梁板結(jié)搆girder -staff structure 梁桿結(jié)搆girder with wing structure 展翅梁結(jié)搆box girder structure 箱梁搆造 返回 girder structure