预啮合式起动机
pre-engaged drive starter
强制啮合起动机
positive engagement starter
柴油发动机起动预热指示器灯
diesel engine start preheat indicator light
铲运机发动机起动开关
scraper engine start switch
大型电动机起动
Start-up of large-scale electromotor
低压电动起动机
low tension motor starter
电动机起动特性
starting characteristics of motor