Ultrasonicwave治疗超声ultrasonicadj.超声波的ultrasonic C-scan image超声C扫描图像Ultrasonic TOFD technique超声衍射时差法ultrasonic Doppler effect超声多普勒效应ultrasonic flame spraying超音速火焰喷涂ultrasonic vibration time超声分散时间ultrasonic remote welding超声遥焊ultrasonic amplitude horn变幅杆ultrasonic thickness gage超声波测厚仪,超声波测厚计ultrasonic - dispersion超声波分散ultrasonic plastic welder超声波塑料焊接机