研究表明：带热回收的有组织换气系统完全可以应用在北方严寒地区的住宅中，该系统具有显著的节能效果和良好的换气效果。
The research shows that this system can completely be used in northern cold regions, and it has a significant energy-saving effect and its performance of ventilation is very good.
身体组织里适当的氧的供应取决于肺内空气(换气)和血液(渗透)的充足分配。
Adequate tissue oxygen supply depends on sufficient distribution of air (ventilation) and Blood (perfusion) in the lungs.
针对孔板送风的乱流洁净室，运用C FD软件对不同换气次数条件下的气流组织和污染物扩散进行数值模拟分析。
This paper analyzes and simulates the effect of the air change rate per hour (ACH) on contamination diffusion airflow field in turbulent clean-room of hole-board ventilation by using CFD.
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