片语
safety index of voltage stability电压稳定安全指标
safety extra low voltage安全特低电压
safety voltage limit安全电压限制
SELV safety extra low voltage安全超低电压
Safety Voltage Function安全电压功能
safety extralow voltage安全特低电压
safety limited voltage安全门限电压
safety related bus voltage安全有关母线电压
Safety Low Voltage安全超低压电路