烹调油烟是室内主要空气污染物之一，化学成分复杂，严重影响职业接触人群的健康。
Cooking oil fume, one of major indoor air pollutions with chemical elements, greatlyly harms the health of professional workers exposed to it.
差不多7吨的氨气排放，而氨气是一种主要的空气污染物。
通过降低燃烧矿物燃料期间释放的几种最主要的空气污染物的浓度，能够大量减少对空气污染的暴露。
Significant reduction of exposure to air pollution can be achieved through lowering the concentrations of several of the most common air pollutants emitted during the combustion of fossil fuels.
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