mobile transformer

例句：

1. 1.This mobile transformer is designed to be easily transported and installed.
   这款移动变压器设计得便于运输和安装。
2. 2.The engineers used the mobile transformer to power the new equipment.
   工程师们使用移动变压器为新设备供电。
3. 3. The mobile transformer was a crucial component in the electrical system upgrade project.
   移动变压器是电气系统升级项目的关键部件。