模拟式测量仪器仪表
analogue measuring instrument
测流仪器
flow measuring instruments
current measuring instruments
超声波流量测量
Ultrasonic flow measurement
ultrasonic flux measurement
超声多普勒血流测量仪
medical ultrasound doppler flowing measure
超声气体流量测量
ultrasonic gas flow metering
大管径流量测量
large diameter pipe flow measurement
高速流量测量
high-speed traffic measurement
互相关流量测量
cross-correlation flowrate measurement