Uses in the railroad communication facility power source, the train car power source.
用于铁路通信设备电源、铁路客车电源。
This paper introduces the measures and its effect that the quality of electric supply system increased in railroad communication 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。
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.
讨论了采用波分复用技术扩容鹰厦线永厦段通信传输链路的方案。
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