Communication power supply is the power source of communication equipment.
通信电源是通信设备的动力之源。
Due to the operation characteristics of on-line communication equipment, the communication power supply has to be replaced.
由于在线通信设备工作特性，即必须带电更换通信电源。
The reliable power supply is the precondition of the normal operation of communication equipment.
可靠的电源是通信设备正常使用的前提。
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