auxiliary heater switch 辅助加热器开关

adjustable heater switch 加热器调节旋钮

cold start heater switch 冷起动加热器开关

Heater switch trip 加热器开关跳闸

Heater switch tripping 加热器开关跳闸

alternator heater switch 交流发电机发热开关

electric heater switch rear windshield 后风窗电加热器开关

main heater control switch 主加热器控制开关

electric switch heater 道岔电热器