We take a quick look at some of the common air filters available in the market.

我们来看看一些常见的空气过滤器市场上可以买到的。

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Applicable for intermediate filtration of Pharmacy, Electronic, Food common air - conditioning ventilation system.

适用于制药，电子，食品行业和空调通风系统的中级过滤。

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The igniting capacity of electrostatic discharge to space suits is investigated in the condition of pure oxygen and common air.

通过实验研究了在纯氧和普通大气条件下，静电放电对各种航天服的引燃能力。

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Mr Westendorp faces a huge agenda: the creation of a common air-traffic control system, free media and reformed police forces, to name just three objectives (all of which the Serbs resist).

ECONOMIST: The disunited state of Bosnia

Last year, the U.S. Department of Veterans Affairs decided that the link between air-borne dioxin (an ingredient in Agent Orange, and also a common air-borne pollutant emitted by waste incineration, some chemical manufacturing processes, cars and trucks, and other industrial sources that burn fuel) and diabetes was so strong, it compensated 270, 000 veterans for diabetes linked to dioxin exposure.

FORBES: Two New Reasons to Worry about Air Pollution: Obesity and Diabetes

Leaks are also common in air ducts.

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