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
随便看	hhoj hhok hhoot hhop hhope hhora hhos hhot h hour h-hour "h" hour coordinating line h-hours hhp hhpa h-h page hhpb hhpc hhpcc hhpcpg hhpcr hh pette hhph hhpi hhpl hhpla

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

National ambient air quality standards