automatic discharge unit

例句：

1. 1. The automatic discharge unit is responsible for monitoring the system's performance.
   自动放电单元负责监测系统的运行情况。
2. 2. The automatic discharge unit was designed to prevent overheating in the engine.
   自动放电单元被设计用来防止发动机过热。
3. 3. The automatic discharge unit is crucial for maintaining the proper functioning of the electrical system.
   自动放电单元对于维持电气系统的正常运行至关重要。