Throughout the whole executive process, the back pressure segment relates to the pressure loss of the wholeequipment.
整个实现过程中，回压段关系到整个装置压力损失的大小。
参考来源 - 天然气跨音速气水分离过程中收敛But high pressure loss is the most difficult problem in developing new HEPA filter products.
而高效空气过滤器的阻力较大又是产品开发中的最大难题。
参考来源 - 新型多管式高效空气过滤器的应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Gas supply network small, internal leakage less pressure loss.
供气网络小，内部泄漏少，使压力损失降低。
The cross sectional transitions are smooth to avoid dead spaces and minimize pressure loss.
横截面的平滑转变避免了死空间，并且使压力损失达到最小。
Local optimal method is used in the design of hole connection to reduce pressure loss of the system.
在孔道连通设计中，还采用了局部优化的方法以减少系统的压力损失。
All of these things combined help to improve heart activity, lower blood pressure and cholesterol levels, and reduce bone and muscle loss.
VOA: special.2010.06.08
"What we found was that high blood pressure,smoking, overweight/obesity and high blood glucose account for five years of loss of life expectancy in men and about four years in women at the national level."
VOA: standard.2010.04.08
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