selector circuit

例句：

1. 1.The selector circuit in the computer is responsible for selecting the correct output.
   计算机中的选择器电路负责选择正确的输出。
2. 2.The selector circuit in the car is used to control the power windows.
   汽车中的选择器电路用于控制车窗的开关。
3. 3.The selector circuit in the phone is designed to allow users to choose between different functions.
   手机中的选择器电路设计成让用户可以选择不同的功能。