In the paper, it is concluded that the stable and safe Sinusoidal ac Supply selecting UPS is supplied to network center and control center in the packaging industry.
分析表明，选用UPS能够对包装行业中的网络中心、控制中心提供稳定、安全的交流电源。
The AC UPS used before has been replaced by the DC module power supply nowadays.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；
The AC Uninterrupted power Supply (UPS) is a kind of emergency power, but it is different from emergency diesel generator and DC batteries.
交流不间断电源(ups)是应急电源，但其不同于柴油机应急发电机组和蓄电池组。
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