了解和选择不同类型的高效空气净化器空气净化前把钱花在一个。
Understand and choosing the various types of hepa air purifier for air purification before spending money on one.
在多数商用飞机上，至少有一半空气是来自于飞机外部，而且都经过了一种高效空气净化装置的过滤。
On most commercial planes, at least half of the air comes from outside the aircraft and passes through a high-efficiency particulate air, or HEPA, filter which removes contaminants
绿萝被称为高效空气净化器，绿萝能够吸收空气中的苯，三氯乙烯和甲醛到呢个有害物质，因此，绿萝非常适合放在刚刚装修好的卧室里面。
Scindapsus called efficient air purifier, Scindapsus can absorb benzene, formaldehyde and trichloroethylene to a harmful substance, therefore, Scindapsus very fit in newly decorated bedroom.
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