英语词汇“national ambient air quality standards”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	national ambient air quality standards
释义	National ambient air quality standards National ambient air quality standards The standards established by the EPA (Environmental Protection Agency) that apply to outdoor air throughout the country. AcronymsSeeNAAQS
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National ambient air quality standards