多用型纵梁
A multi-functional longitudinal offset
复合型纵向沙垄
compound longitudinal dunes
松散型纵向一体化战略联盟
loose vertical integrated strategic alliance
纵向型线
longitudinal-section contour
变宽异型箱梁
special-shaped box girder bridge of width variety
大跨度连续箱型梁桥
large span continuous box beam