Ultrasonic NDT超声无损检测ultrasonicadj.超声波的ultrasonic bond meter超声波结合强度测定计ultrasonic centrifuge超声离心机ultrasonic transducer超声换能器ultrasonic disruption超声波破碎ultrasonic navigation超声波导航ultrasonic television超声波电视ultrasonic sound beam超声束ultrasonic lithotrite超声碎石机ultrasonic technology超声波技术ultrasonic oscillator超声波振荡器