converter shell

例句：

1. 1.The converter is used to convert the energy from one form into another.
   转换器用于将一种形式的能源转换为另一种形式。
2. 2.The converter was designed to be easy to use and maintain.
   转换器设计为易于使用和维护。
3. 3. The converter has been proven to be highly efficient in its application.
   转换器在应用中已被证明具有很高的效率。