The results of calculation indicates that the static axial stiffness of fluid film in double spiral groove face seal is improved due to the pressure loss through feeding holes.
计算结果表明， 供液小孔所产生的压力损失提高了双列螺旋槽机械密封的静态轴向刚度。
And blowers are chosen according to calculation of air volume and total pressure loss.
风机根据计算空气量和总压力损失的数值进行选择。
Through analysis and calculation I find the pressure loss of the compressed gas in the pipelines is more obvious.
通过分析和计算发现，管道内压缩气体的压力损失比较明显。
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