短語詞組短語approach bridge box -girder 引橋箱梁simple supported bridge girder -erecting machine 簡支式架橋機box -girder bridge 箱梁橋;箱型梁橋multi -girder bridge 多梁式梁橋mono -girder bridge 單主梁橋架deck -girder bridge 連續(xù)大梁式上承橋concrete box -girder bridge 混凝土箱梁橋PC box -girder bridge PC箱梁橋cable -stayed bridge girder 斜拉橋梁 返回 bridge girder