短語詞組短語prestress cored slab bridge 預應力空心板橋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 無粘結空心板prestressed cored slab 空心預應力板SP prestressing prefabricated cored slab SP 預應力預制空心板 返回 cored slab