超声波流量计 ultrasonic flowmeter ; SITRANS FUS ; Transit Time Ultrasonic Flowmeter ; supersonic flow meter

噪声剂量计 noise dose meter ; Dosimeters

超声波量计 ultrasonic flowmeter

相移式超声流量计 phase-shift ultrasonic flowmeter ; shift ultrasonic flowmeter

声速偏转式超声流量计 beam deflection ultrasonic flowmeter ; deflection ultrasonic flowmeter

多普勒超声血流量计 ultrasonic Doppler blood flowmeter

噪声系数测量计 noise factor meter

渡越时间式超声流量计 transit time ultrasonic flowmetr

多束超声流量计 multibeam ultrasonic flow meter ; multibeam ultrasonic meter