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.

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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.

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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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