spiral reinforcement

例句：

1. 1. The new designuses a spiral reinforcement to improve thestrength of the structure.
   新设计使用了螺旋增强材料来提高结构的强度。
2. 2. The spiralreinforcement helps to distribute the load evenly across the beam.
   螺旋增强材料有助于将荷载均匀地分布在梁上。
3. 3. Thespiral reinforcement is crucial for preventing cracks in the concrete during construction.
   螺旋增强材料对于防止混凝土施工过程中出现裂缝至关重要。