A MERV rating tells you how well the filter can remove pollen and mold from the air as it passes through.
MERV等级可以让你知道当花粉和霉菌在空气中传播时，过滤器将如何将之过滤。
Look for one with a MERV 11 or 12 disposable high efficiency media filter.
找到一个带MERV11或12的一次性的高效媒介的过滤网。
Merv is the oldest and best-preserved of the oasis-cities along the Silk Route in Central Asia.
梅尔夫是中亚地区丝绸之路沿线最古老、保存最完好的绿洲城市。
Merv is the oldest and best-preserved of the oasis-cities along the Silk Route in Central Asia.
梅尔夫是中亚地区丝绸之路沿线最古老、保存最完好的绿洲城市。
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