短語詞組短語Prestressed concrete continuous beam bridge 預(yù)應(yīng)力混凝土連續(xù)梁橋prestressed concrete truss beam bridge 預(yù)應(yīng)力混凝土桁架梁橋double -decked prestressed concrete beam bridge 雙層預(yù)應(yīng)力混凝土梁橋prestressed concrete box -beam bridge 預(yù)應(yīng)力混凝土箱梁橋 返回 prestressed concrete beam bridge