It is the intelligent choice of battery manufacturers and users that can decrease the work intensity of maintainer due to its selected voltage shift and protected voltage.
多档电压可选，保护电压可设，大大降低维护人员的劳动强度，是蓄电池生产厂家和蓄电池用户的明智选择。
This could be due to the fact that your controller had protected cache after an unexpected power loss and your system was without power longer than the battery backup time.
其原因可能是发生意外断电后，系统处于断电状态下的时间长度已超过电池续用时间，控制器已保护高速缓存。
In this article, the safety requirements and the structure in general are analyzed for explosion protected industrial vehicle powered by battery with some samples.
文章分析了防爆型蓄电池式工业车辆的通用防爆结构和安全要求，并通过实例介绍了它们的防爆技术措施和安全要求。
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