main controlling board

例句：

1. 1. The main controlling board is responsible for managing the entire system's operation.
   主控板负责管理整个系统的运行。
2. 2. The new software update will require updating the main controlling board.
   新的软件更新将需要更新主控板。
3. 3. The engineers were working on the main controlling board when the power went out.
   工程师们在主控板时，电力突然中断了。