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压差流量计
differential flowmeter
- 我们根据从差压信号推算流量的原理，试制了一个非定常流量计。
On the basis of a measurement principle transforming 'differential pressure into the flow rate, a flowmeter is made on trial. - 天然气计量现在仍以差压式流量计中的孔板流量计为主。
The metering of natural gas still presently depends on orifice flowmeter, one of differential pressure flowmeters. - 本文叙述了用音速喷嘴在线标定差压式天然气流量计。
This article describes on line proving of natural gas flow meters by using sound speed nozzles.
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