2Hz低频低电流电针刺激  Cutaneous microcirculation

[电流]限流器  current limiter

短路电流限流开断器  short circuit limiter

故障电流限流器  fault current limiter

限流电流  cut-off current

直流电流Id限制  limitation of DC current Id

电流－电流转换器  current-current converter

直流电流-电压特性  DC current-voltage characteristics

低-低-低任务  lo-lo-lo mission

低电流  low current

低电流继电器  under-current relay

低电流密度  lowered current density

低电流外推法  low current extrapolation

低限电位  appearance potential; threshold potential

低限电压  threshold voltage; Potential; Threshold

低限限度  threshold limit

光电低限  photoelectric threshold

输出低电流  IOL

直流低电压  DC low voltage