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national emission standard for hazardous air pollutants
avia. 有害大气污染物国家排放标准
National Emission Standards for Hazardous Air Pollutants
earth.sc. 国家有害空气污染物排放标准
environ. 美国空气有害污染物国家排放标准
national emission standards for hazardous air pollutants
tech. 全国空气有害污染物排放标准
 English thesaurus
National Emission Standards for Hazardous Air Pollutants
abbr., mil., WMD NESHAP
national emission standard for hazardous air pollutants: 2 phrases in 1 subject
Environment2