A.軌束梁 B.施工便梁 C.橫梁 D.縱橫梁 E.工字軌束梁
A.經(jīng)過(guò)冷拉的HPB300級(jí)熱軋鋼筋 B.未經(jīng)過(guò)冷拉的HPB300級(jí)熱軋鋼筋 C.HRB335級(jí)熱軋鋼筋 D.HRB400級(jí)熱軋鋼筋