铲运机发动机起动开关
scraper engine start switch
铲运机钥匙起动开关
scraper key start switch
scrapers key start switch
断续的钥匙起动开关
intermittent key start switch
发动机预热起动开关
engine start preheating switch
发动机装用起动开关
engine mounted start switch
空档起动开关操作
neutral start switch operation