单相交流电机调速
single-phase AC electromotor velocity modulation
三相交流电机
three-phase alternator
three-phase AC motor
three-phase alternating current motor
variable-frequency adjustable-speed 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
荷电两相流动
Electrostatic charged two phase flow
electrostatic spray two-phase flow
两相电流变换
Two-phase-current Transformation
两相电流差
two-phase current difference
phase-to-phase differential current
两相交流供电
two-phase AC traction power supply
气液两相流流型
vapor-liquid two-phase flow pattern