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1·FFU have primary and hepa two pole filter net.

ffu设有初、高效两极过滤网。

2·Can HEPA filters prevent heart disease in the elderly?

可以肝癌过滤器，防止心脏病的老人呢？

3·Optimally, get one with a HEPA “completely sealed” system.

最好带有HEPA（高效空气过滤器）“完全密封”系统。

4·Do you like the idea of having a HEPA filter on a 3d printer?

你喜欢上一个3d打印机具有HEPA过滤器的想法？

5·A type of multi - tube HEPA filter is introduced in the paper.

介绍了一种多管式高效空气过滤器。

6·Protection grid, for main HEPA filter made by anodized aluminium.

防护栏：由电镀铝制成，用于主过滤器。

7·The first HEPA filters removed radioactive particles from the air.

第一台高效微粒空气过滤器可以消除空气中的放射性粒子。

8·America's Atomic Energy Commission developed HEPA filters many years ago.

很多年以前，美国原子能委员会就开发了高效微粒空气过滤器。

9·Consider purchasing a HEPA filter to remove the greatest amount of allergens.

考虑买一部高效微粒空气过滤器，最大程度地消除过敏源的存在。

10·Another reason is that the planes he flew in were equipped with HEPA filters.

另一个原因是他乘坐的客机上设有高效微粒空气过滤器。

(1)HEPA filterabbr. 高效微粒空气过滤器（High Efficiency Particulate Air filter）