短語詞組短語bridge end transition slab 橋頭搭板bridge head transition slab 橋頭搭板bridge subgrade transition 路橋過渡段bridge culvert transition 橋涵過渡段road bridge transition 路橋過渡段bridge transition segment 路橋過渡段highway and bridge transition band 路橋過渡段transition bridge 轉(zhuǎn)換橋transition curve bridge 緩和曲線橋梁 返回 bridge transition