salt bath furnace transformer

例句：

1. 1. The salt bath is used to remove impurities from the skin.
   盐浴用于从皮肤上去除杂质。
2. 2.The transformer is responsible for converting alternating current into direct current.
   变压器负责将交流电转换为直流电。
3. 3.The salt bath and transformer were designed to improve the quality of the water.
   盐浴和变压器的设计旨在提高水质。