disconnector

例句：

1. 1. The circuit board needs to be disconnected from the computer before testing.
   在测试之前，需要将电路板从计算机上断开。
2. 2. The power cord is a common component of many electronic devices that need to be disconnected for maintenance.
   电源线是许多需要维护的电子设备的常见组件，需要断开连接。
3. 3. The engineer used a special tool to disconnect the wires and test the circuitry.
   工程师使用特殊的工具来断开电线并测试电路。