modular tubes

例句：

1. 1. The design of the building is modular, which makes it easy to assemble and dismantle.
   这座建筑的设计是模块化的，这使得组装和拆卸变得容易。
2. 2. The modular system can be easily customized to meet specific needs.
   模块化系统可以轻松定制以满足特定需求。
3. 3. The modular approach helps in reducing costs and increasing efficiency.
   模块化方法有助于降低成本并提高效率。