Ultrasonicwave治疗超声ultrasonicadj.超声波的ultrasonic polymerization[化] 超声波聚合ultrasonic echo amplitude超声回波振幅ultrasonic flux appliance超声波流量计ultrasonic sectional unit超声切面诊断仪ultrasonic machining unit超声加工设备ultrasonic pulse velocity超声波波速ultrasonic leak detection超声波检漏,超声检漏Ultrasonic wave measuring超声波检测ultrasonic inspection Pig超声内检测器ultrasonic testing method超声试验法