铲运机发动机电路断路器
scraper engine circuit breaker
抽水蓄能电动发电机组
Pumped Storage Motor-generator
电动发电机机车
motor-generator locomotive
定压电动发电机
constant-voltage motor-generator
多频电动发电机
multifrequency motor-generator
发动机发电机对准
engine generator alignment
发动机-发电机起动试验
engine-generator start-up test