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旋转活塞流量计 rotating piston flowmeter ; rotary piston flowmeter ; SITRANS FR
旋摆式活塞流量计 rotary piston meter
环形活塞流量计 ring piston meter
往复式活塞流量计 reciprocating piston meter
回转活塞流量计 rotary piston type flowmeter
活塞式流量计 [仪] piston-type flowmeter ; piston fluid meter ; piston meter ; piston liquid meter
簇复活塞式流量计 reciprocating piston flowmeter
往复活塞式流量计 reciprocating piston meter ; reciprocating piston flowmeter
筒形活塞式流量计 ring piston meter
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