Conventional float type mechanical flowmeter has the disadvantages of high failure rate, difficult set, poor believability of the data measured.
传统的浮子式机械流量计故障率高、坐层困难，所取资料可信度差。
On the basis of a measurement principle transforming 'differential pressure into the flow rate, a flowmeter is made on trial.
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。
Flow meter; flowmeter a meter that indicates the rate of flow of water.
流量表；流速仪表示水流速度的仪表。
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