pillar wheel

例句：

1. 1. The pillar wheelis the main support for the building's structure.
   支柱轮是建筑结构的主要支撑。
2. 2. The pillar wheel was designed to improvestability during heavy loads.
   支柱轮被设计来提高在重载下的稳定性。
3. 3. Thepillar wheel has been used in many constructionprojects around the world.
   支柱轮已经被用于世界各地的许多建设项目中。