DC power supply module 直流电源模块
The AC UPS used before has been replaced by the DC module power supply nowadays.
将原来使用的交流UPS电源供电改为直流电源模块供电；
Based on AT89C51 micro-controller, this paper describes the design of hardware and software of multi-parameter measurement instrument of DC remote reserve power supply module of PAS cell station.
介绍了以AT 89 C 51单片机为基础的小灵通基站直流远供电源模块综合参数检测仪的硬件和软件的设计。
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