The adopted thickness of steel pipe and the economic flow rate in it under different pressure and working conditions are described in this paper.
本文研究钢管的使用壁厚以及不同工作压力及使用状况下的经济流速。
Economic flow rate of crude refers to flow rate at which a petroleum enterprise can make profits under certain economic and technical conditions.
原油经济产量就是在一定经济技术条件下，油田企业获得利润的原油生产量。
Meanwhile, the economic flow rate, optimum diameter and economic insulating layer thickness of the equipment and pipeline have been obtained with the model, which provide a basis for pipeline design.
该模型将同时得到经济流速、设备及管道最佳直径和经济保温厚度，可作为管道工艺设计的基础；
It is shown that the method is simple, accurate, economic and promising on flow rate measurement.
该方法具有简单、准确、节能等特点，有较好的应用前景。
Calculation of designed flood drainage flow rate has significant importance for water safety and effectively reduction of economic loss from water logging disaster in low-lying region.
圩区设计排涝流量的计算对圩区的水安全和有效减免涝灾经济损失有着重要意义。
Calculation of designed flood drainage flow rate has significant importance for water safety and effectively reduction of economic loss from water logging disaster in low-lying region.
圩区设计排涝流量的计算对圩区的水安全和有效减免涝灾经济损失有着重要意义。
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