同义词
1)emergency source auxiliary switch,应急电源辅助开关2)emergency auxiliary switch,应急辅助开关3)auxiliary switching power supply,辅助开关电源4)es emergency source breaker auxiliary contact,紧急停车开关紧急电源断路器辅助触点5)emergency source switch,应急电源开关6)The auxiliary switching power supply,机内辅助开关电源
