短語詞組短語prestress cored slab bridge 預(yù)應(yīng)力空心板橋cored beam and slab 空心梁板continuous cored slab beam 連續(xù)空心板cored slab bridge 空心板橋steel tube cored slab 空心鋼管混凝土樓蓋no bonding cored slab 無粘結(jié)空心板prestressed cored slab 空心預(yù)應(yīng)力板SP prestressing prefabricated cored slab SP 預(yù)應(yīng)力預(yù)制空心板 返回 cored slab