draining transformator

例句：

1. 1. The draining transformator is used to remove wastewater from the system.
   排水转换器用于从系统中去除废水。
2. 2. The engineer designed a new draining transformator to improve efficiency.
   工程师设计了一种新型的排水转换器以提高效率。
3. 3. The draining transformator was installed in the basement to prevent flooding during heavy rains.
   在地下室安装了排水转换器，以防止大雨期间发生洪水。