through repeater

例句：

1. 1.The signal needs to be transmitted through multiple repeaters to reach the destination.
   信号需要通过多个中继器传输才能到达目的地。
2. 2.The engineer used a repeater to fix the faulty connection.
   工程师使用了一个中继器来修复故障连接。
3. 3.The repeater amplifier boosts the signal strength for better reception.
   中继放大器增强信号强度，以便更好的接收。