line synchro

例句：

1. 1.The line synchro is used to transmit signals between two points on the same line.
   同步线用于在同一线路上的两个点之间传输信号。
2. 2. The engineer designed a new line synchro to improve the efficiency of the transmission process.
   工程师设计了一种新型的同步线以提高传输过程的效率。
3. 3.The line synchro was responsible for ensuring that the signals were transmitted accurately and reliably.
   同步线负责确保信号准确无误地传输。