高频交流电焊机
high frequency AC welding machine
发电机交流电压测定
generator ac voltage metering
交流电机电枢线组
alternator armature winding
齿轮感应体交流电机
alternator with tooth wheel inductor
单相交流电机调速
single-phase AC electromotor velocity modulation
非正弦交流电流
non-sinusoidal alternating current
交流电机
AC motor
alternating electrial
AC machine
alternating-current dynamo
Alternating motor
AC electric machine
alternating current motor
AC moter
elecctric motors
AC machines
AC electric machines
AC generator
induction machine
AC-motor
induction motor
alternating current machine
AC electrical machine
AC dynamo
AC induction motor
alternator
al■ernating current machine
Alternatig current machine
交流电机调速系统
AC motor speed governing system
AC motor speed control system