surface-contact reheater

例句：

1. 1.The surface-contact reheater is an essential component in the heating system.
   表面接触式再热器是供热系统的一个必不可少的部件。
2. 2.The surface-contact reheater was designed to improve energy efficiency.
   表面接触式再热器被设计用来提高能源效率。
3. 3.The surface-contact reheater was installed at the factory to test its performance.
   表面接触式再热器在工厂安装以测试其性能。