dead front type switchboard

例句：

1. 1. The engineers were tasked withinstalling the new dead front type switchboardin the factory.
   工程师们被指派在工厂安装新的死前型交换机。
2. 2. Thecompany's new product launch was amajor event, featuring a dead front typeswitchboard that could handle high traffic.
   公司的新产品发布会是一个重大事件，展示了一款能够处理高流量的死前型交换机。
3. 3. Thetechnicians had to work quickly toreplace the old dead front type switchboardwith the new one.
   技术人员必须迅速更换旧的死前型交换机为新的。