超声波传播特性
ultrasonic wave propagation characteristics
超声波传播速度
ultrasonic propagation speed
Ultrasonic wave velocity
超声波穿透检查
ultrasonic wave penetration inspection
超声波处理
ultrasonic wave treatment
ultrasonic treatment
ultrasonic separation
Ultrasonic
ultrasound treatment
ultrasonication
ultrasonic wave process
ultrasonic processing
超声波除垢器械
ultrasonic scaling apparatus
超声波除垢
ultrasonic incrustation removal
ultrasonic scale removal
ultrasonic online cleaning
超声波冲击技术
ultrasonic impacting technique
超声波成像测井仪
ultrasonic imaging well logging tool