环形行波超声波电机
ring-type traveling-wave ultrasonic motor
行波超声波电动机
Traveling-wave Ultrasonic Motor
traveling wave ultrasonic motor
行波超声波电机
circuits improvement
traveling wave ultrasonic motor
Traveling-wave Ultrasonic Motor
Traveling-wave type ultrasonic motor
RTWUSM
traveling wave type ultrasonic motor
超声波-电沉积
Ultrasonic-electrodeposition
超声波电磁场
ultrasound and electromagnetic field
超声波电动机
ultrsonic motor
USM
ultrasonic motors
ultrasonic wave motor
ultrasonic motor
ultrasnic motor
ukasonic wave motor
claim calculation
claim amount distribution
Ultrasonic Motor USM
K form linear ultrasonic motor
超声波电动机技术探讨
The Research on the Technique of Ultrasonic Motor
超声波电机研究现状
The Recent Development of Ultrasonic motor