对20辊轧机构造特点、辊系配置、工作原理、轧制压力的分析、推导、计算进行了研究。
Structural characteristic of 20-hi rolling mill, roll configuration, working concept, the rolling force analysis, derivation and studying results are discussed this paper.
对水力压裂来讲，这个系统就是通过对记录压力的分析，提取地层和液体特征，从而确定裂缝的几何形状。
Through analyzing the pressure records in hydraulic fracturing, we can gain the formation and the fluid characteristic parameters and then judge the geometrical shape of a crack.
通过该评价方法对管道运行压力的分析计算，确定了东黄老线的剩余强度，为合理制定东黄老线安全工艺运行条件提供了科学依据。
The analysis and calculation on operational pressure of the pipeline were carried out, then the residual strength of the old line was determined.
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