根据体积管检定的原理，可对流量计检定过程中影响准确性的因素进行深入分析，对比在线计量检定和离线计量检定对原油计量的影响。%According to the principle of volume tube test, the factors that affect the accuracy of the flowmeter calibration process are analyzed, and the effect of online measurement and off-line measurement on crude oil measurement is compared.
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