round concrete bar
常见例句
- 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.
预应力混凝土用光圆钢棒、异形钢棒及螺旋肋钢丝就是近年来开发的高强预应力钢筋新品种。 返回 round concrete bar