在超声波电机理论研究和样机制作的基础上，开发了用于汽车车窗玻璃升降的行波型超声波电机。
Based on the theoretical research and prototype fabrication of traveling wave type ultrasonic motor, the traveling wave type ultrasonic motor used for lifting glass for vehicle window is developed.
公司根据各位客户的不同需求，设计，开发，制造各类电动玻璃升降器及电机。
Under all the different needs of customers, design, development, manufacture various types of electric hoist and electrical glass.
在超声波电机理论研究和样机制作的基础上，开发了用于汽车车窗玻璃升降的行波型超声波电机。
In this paper series of traveling wave type ultrasonic motors that are fabricated by our group are introduced.
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