local switch board

例句：

1. 1. The local switchboard was designed to handle the increased traffic in the area.
   本地交换机板被设计来处理该地区增加的交通流量。
2. 2. The engineers were working on the local switchboard when the power went out.
   工程师们在进行本地交换机板工作时，突然停电了。
3. 3. The local switchboard is responsible for managing the network traffic and ensuring smooth communication.
   本地交换机板负责管理网络流量并确保通信畅通。