当外部电源故障，工厂自备包括柴油发电机，电池等供电设施。
But, if the power lines fail, the plants have redundant on-site power sources, including backup diesel generators and batteries.
德国阳光蓄电池成为UPS供电系统的重要组成部分。而由于德国阳光蓄电池本身或者管理上的原因，目前有许多UPS故障是由德。
Germany sun battery become an important part of UPS power supply system. As Germany sun battery itself or management reasons, there are many UPS fault is made by Germany.
长德国阳光蓄电池的使用寿命，降低UPS供电系统故障率，有着越来越重要的意义。
Germany sunshine long battery life, reduce failure rate, UPS power supply system is more and more important significance.
长德国阳光蓄电池的使用寿命，降低UPS供电系统故障率，有着越来越重要的意义。
Germany sunshine long battery life, reduce failure rate, UPS power supply system is more and more important significance.
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