value insured rail traffic

例句：

1. 1.The value of this railway line is crucial for the transportation network.
   这条铁路线的价值对于交通网络至关重要。
2. 2. The value-insurance system has greatly improved the safety and reliability of railway transport.
   价值保险系统大大提高了铁路运输的安全性和可靠性。
3. 3.In order to ensure the smooth operation of the railway traffic, it is necessary to implement value-insurance measures.
   为了确保铁路交通的顺畅运行，有必要实施价值保险措施。