ultrasonicsn.超声波；超声学ultrasonicadj.超声波的ultrasonic medicine超声医学Ultrasonic contrast超声造影ultrasonic scanning超声扫描ultrasonic enhanced超声复合ultrasonic fountain超声喷泉ultrasonics science超声学ultrasonic cleaning超声波清洗,超声波消磁ultrasonic technics超声波工艺ultrasonic vibrator超声振动器,超声振动片,超声振子,超声波振动器ultrasonic grinding超声研磨