超声波光调制器
ultrasonic light modulator
超声波声速测量
Ultrasonic velocity measurement
超声波声速计
ultrasonic wave velocimeter
环形行波超声波电机
ring-type traveling-wave ultrasonic motor
微波-超声波
microwave-ultrasonic wave
微波-超声波联用
microwave-ultrasonic extraction
微波超声波提取
microwave ultrasonic extraction
微波－超声波提取
microwave-ultrasonic extraction
microwave-ultrasonic aided extraction
微波－超声波协同萃取
microwave-ultrasonic wave synergic extraction
Combined microwave-ultrasound extraction
Microwave assisted ultrasonic extraction
微波-超声波协同提取
microwave-ultrasonic assisted extraction
微电脑控制超声波抛光机
microcomputer controlled ultrasonic polishing machine