two wire circuit

例句：

1. 1.The new electronic device has a two-wire circuit for easy connection.
   这款新型电子设备有一个便于连接的双线电路。
2. 2. In the old days, people used to make their own two-wire circuits for lighting.
   在旧时代，人们常常自制自己的双线电路来照明。
3. 3. The engineer designed a two-wire circuit that could transmit data over long distances.
   这位工程师设计了一个可以远距离传输数据的双线电路。