two-channel receiver

例句：

1. 1.The two-channel receiver is used to receive signals from both channels.
   双通道接收器用于从两个频道接收信号。
2. 2.In the old days, people used to use two-channel receivers for radio broadcasting.
   在旧时代，人们曾经使用双通道接收器进行无线电广播。
3. 3.The two-channel receiver is an essential tool for recording audio files.
   双通道接收器是录制音频文件的必备工具。