cold twisted steel bar

例句：

1. 1. Theengineer used a cold-twisted steel bar to reinforce the wall.
   工程师使用一根冷扭曲的钢条来加固墙壁。
2. 2.The construction worker was using a cold-twisted steel bar to secure the roof.
   建筑工人正在用一根冷扭曲的钢条固定屋顶。
3. 3. The cold-twisted steel bar is strong enough to support the weight of the building.
   这根冷扭曲的钢条足够坚固，能够支撑建筑物的重量。