同义词
1)emergency source undervoltage pc card,应急电源低电压程控卡2)emergency source voltage pc card,应急电源电压程控卡3)emergency source voltage monitoring card,应急电源电压监控卡4)emergency source frequency monitoring card,应急电源频率监控卡5)emergency source voltage monitoring,应急电源电压监控6)source voltage pc card,电源电压程序控制卡
