orifice flowmeter 中文意思是什麼
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Comparing with orifice flowmeter, it features simple structure, ease installation and maintenance as well as wide range
與孔板流量計相比，具有結構簡單，安裝、維護方便，測量范圍寬等特點。 -
Orifice - plate flowmeter
孔板式流量計 -
Orifice - and - plug flowmeter
錐塞式流量計
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