voltage sag
电压凹陷
电压下陷
电压降落
电压骤降
电压跌落
电压突降
电压暂低
电压暂降
瞬时电压跌落
电压瞬时跌落
电压瞬间跌落
瞬时跌落
晃电
low voltage and high voltage injury
touch voltage and step voltage
voltage source voltage measurement
(Gm) common mode voltage
±500 kV ultrahigh voltage DC transmission line
1 000 kV UHV capacitance voltage transformer
1 000 kV ultra-high voltage direct current
1000 kV capacitor voltage transformer
1000 kV series voltage standard
1000 kV ultral high voltage AC transmission
10kV high voltage switch cubicle
20 kV distribution voltage
航天装备体系
山楂粉蝶核型多角体病毒
20kV电压等级