Uses in the railroadcommunication facility power source, the train car power source.
用于铁路通信设备电源、铁路客车电源。
2
This paper introduces the measures and its effect that the quality of electric supply system increased in railroadcommunication appliance.
介绍了提高铁路通信设备供电系统质量的措施及其效果。
3
A plan about the application of WDM system in extending the capacity of existing communication transmission link of Yongxia section on Yingxia Railroad is discussed.