发电机转速计反馈
generator tachometer feedback
发电转速计
electric-generator tachometer
高速发电机转子
high speed generator rotator
风力发电机发电
wind energy power generator
电机转速
motor revolution
rotating speed of motor
rotate speed of electromotor
motor speed
Motor rpm
Rotating speed
motor-rotation
electrotype rotate-speed
电机转速辨识
motor speed identification
电机转速振动
motor rotating speed vibration