单相调速电机
single-phase speed regulating motor
IFT5交流调速电机
IFT 5 AC adjustable-speed motor
交流电机调速系统
AC motor speed governing system
AC motor speed control system
单相单速电动机
single-phase single-speed motor
单相交流电路
single phase AC circuitry
单相交流调压
Single phase AC regulation
三相交流电机
variable-frequency adjustable-speed motor
three-phase alternator
three-phase AC motor
three-phase alternating current motor
三相交流电流
Three-phase Alternating Current
发电机交流电压测定
generator ac voltage metering
交流电机电枢线组
alternator armature winding
交流调速电梯微机控制器
microcomputer controller of alternating current speed regulation elevator