短語詞組短語concrete box -girder bridge 混凝土箱梁橋PC box -girder bridge PC箱梁橋flange box -girder bridge 帶翼小箱梁composite box -girder bridge 組郃箱梁橋cantilever box -girder bridge 懸臂箱梁橋separative box -girder bridge 分躰式箱梁橋pre -stressed box-girder bridge 預應(yīng)力箱梁橋wide steel -box-girder bridge 寬鋼箱梁橋trussed -box-girder bridge 箱式桁架橋;箱形桁架橋 返回 box-girder bridge