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。
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。
The AC Uninterrupted power Supply (UPS) is a kind of emergency power, but it is different from emergency diesel generator and DC batteries.
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