open type track circuit

例句：

1. 1. Thenew design of the open-type trackcircuit has greatly improved the efficiency of thesystem.
   新型开放型轨道电路的设计大大提高了系统的工作效率。
2. 2. In this project, we usedan open-type track circuit to connectthe sensors and the control unit.
   在这个项目中，我们使用开放型轨道电路来连接传感器和控制单元。
3. 3. The open-type track circuit is widely used in railwaysignaling systems due to its high reliability andstability.
   由于其高可靠性和稳定性，开放型轨道电路在铁路信号系统中得到了广泛应用。