emergency engine meaning in English

备用发动机
备用机车
救急机车
应急发动机

A complete solution provided by schneider electric on this project , schneider electric provided the low voltage switchboard , alarm monitoring system , control consoles , emergency engine telegraphy system , general alarm system and fire alarm system and some auxiliaries as a complete package including the design , manufacturing , engineering , factory accept test ( fat ) , site commissioning and sea trial
在该项目中，施耐德电气公司提供了低压配电板、报警监测系统、监控台和驾控台、应急车钟、通用报警系统和火警系统，以及其它一些辅助设备等的完整总包，它包括了设计、制造、工程、工厂验收、现场调试和海上试航。