气体差压流量计
differential flowmeter in gas service
微机差压流量计量装置
computer differential flow gauge
超声多普勒液体流量计
ultrasonic liquid Doppler flowmeter
环形激光液体流量计
ring laser liquid flowmeter
排代型液体流量计
displacement-type liquid meter
往复式活塞液体流量计
oscillating piston liquid meter
液体差压计
fluid differential pressure gage
制冷剂液体流量计法
refrigerant liquid flow meter method
差压流量计
differential pressure flow-meter
differential pressure flowmeter
孔板式差压流量计
orifice differential pressure flowmeter
膜盒式差压流量计
bellows differential flowmeter
双管压差流量计
differential twin-flowmeter