四腔膜盒式流量计
four-chamber bellows flowmeter
膜盒式差动流量计
bellows differential flowmeter
膜盒式差压流量计
bellows differential flowmeter
膜盒式气体流量计
bellows type gas flowmeter
集流式流量计
packer flowmeter
flow-concentrating flowmeter
容量式流量计
volumetric type flowmeter
差动膜盒流量表
bellows differential flowmeter
热膜式气体质量流量计
Thermal type gas mass flowmeter