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本文论证了在测量装置前装有收敛段的条件下,管道内附面层厚度对压力测量及计算空气流量的影响,并就测量装置前后等直管长度问题给出了与多年沿用的观点不同的结果。
This paper demonstrates the influence of the thickness of the overlay on the pressure measurement and the calculation of the air flow under the condition that the convergence section is installed in front of the measuring device and gives the different points of view along the length of the straight pipe before and after the measuring device the result of.