短語(yǔ)詞組短語(yǔ)existing concrete cable -stayed bridge 既有混凝土斜拉橋Prestressed concrete cable -stayed bridge 預(yù)應(yīng)力混凝土斜拉橋concrete girder of cable -stayed bridge 混凝土斜拉橋主梁 返回 concrete cable-stayed bridge