铁路列车无线调度系统是铁路行车安全保障的重要手段。

Radio train dispatching system is important to guarantee railway transport safety.

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铁路信号是保证行车安全的重要行车设备。

Railway signal is vital equipment for the train safety.

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列车整备是高速铁路保障行车安全的重要工作。

Train servicing is the key job for the safety of the high-speed railway.

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列车整备是高速铁路保障行车安全的重要工作。

Train servicing is the key job for the safety of the high-speed railway.

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