round concrete bar
常見例句
- In recent years, round steel bar, deformed steel bar and helical rib steel wire for prestressed concrete are new kinds of high strength prestressed reinforcement.
預(yù)應(yīng)力混凝土用光圓鋼棒、異形鋼棒及螺鏇肋鋼絲就是近年來(lái)開發(fā)的高強(qiáng)預(yù)應(yīng)力鋼筋新品種。 返回 round concrete bar