changeover system

例句：

1. 1. The changeover system ensures seamless communication between different modes of transport.
   换轨系统确保了不同交通方式之间的无缝通信。
2. 2.The engineers worked tirelessly to develop a new changeover system that could handle the increased traffic.
   工程师们不懈努力，开发了一种新的换轨系统，以应对日益增加的交通流量。
3. 3. The changeover system is crucial for maintaining the smooth flow of goods and services across the country.
   换轨系统对于保持全国货物和服务流畅流动至关重要。