备用动力 meaning in English

reserve power
stand-by power generating facility
standby power

Ups system needs to be installed to provide emergency power for the instrumentation and trip systems ; an alternative power supply connection is needed for emergency lighting
安装ups系统来为仪表和跳车系统提供紧急备用动力；紧急照明需要一个单独的动力供应线路。
A ups system needs to be installed to provide emergency power for the instrumentation and trip systems ; an alternative power supply connection is needed for emergency lighting
安装ups系统来为仪表和跳车系统提供紧急备用动力；紧急照明需要一个单独的动力供应线路。
In the freezing winter below 0 and hot summer , the johndeere diesel engines , featured with quick start and stable operation , provide you the reliable standby power . at the same time , with the outstanding fuel economy and low maintenance cost design , the engines offer you the competitive operation cost and super - long service life for your common power
在零下的寒冬和炎热的夏天，仍然迅速起动和平稳运行的强鹿牌柴油机为您提供了可靠的备用动力。同时，优秀的燃油经济性和低维护成本设计，为您的常用动力带来了具有竞争优势的运营成本和超长的使用寿命。