本文概括了室内空气污染的主要污染源及主要污染物。
This article summarizes the major indoor air pollution sources and major pollutants.
有毒有害空气污染物的环境影响是国内外研究的热点，而机动车排放是其重要源之一。
Studying the environmental effects of toxic air pollutants is currently very important in the world.
水污染物分为点源和非点源，前者认为所有干燥空气污染物通过水管或管道进入水道。
Water pollutants are categorized as point source or nonpoint source, the former being identified as all dry weather pollutants that enter watercourses through pipes or channels.
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