膜盒式流量计 [仪] bellows flowmeter

皂膜式气体流量计 soap-film air flowmeter ; film air flowmeter

膜盒式差压流量计 bellows differential flowmeter

膜片式密封流量计 diaphragm seal flowmeter

四腔膜盒式流量计 four-chamber bellows flowmeter

膜盒式气体流量计 [仪] bellows-type gas flowmeter ; bellows gas flowmeter

热膜式空气质量流量计 FFM

膜式气体流量计 diaphragm gas flowmeter

热膜式气体质量流量计 thermal type gas mass flowmeter