The discharge coefficient for each elbow flowmeter should be calibrated in practice.
每个弯管流量计的流量系数须经过实际标定。
To improve the fuel metering accuracy, flowmeter must be calibrated periodically.
为了提高油料计量的精度，对在线流量计必须进行周期检定。
Flowmeter can achieve on the measurement of flow, but the accuracy of flowmeter should be measured and calibrated by flow measure device.
流量仪表可以实现对流量的计量，而流量仪表的准确性是通过流量计检定装置来衡量的。
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