ambient air quality standard معنى"ambient air quality standard" أمثلة على معيار نوعية البيئة الهوائية معيار نوعية الهواء المحيط "ambient" معنى "air" معنى "quality" معنى "standard" معنى "national ambient air quality standard" معنى "ambient quality standard" معنى "national ambient air quality objective" معنى "national ambient air quality standards" معنى "air-quality standard" معنى "indoor air-quality standard" معنى "ece statistical classification of ambient air quality" معنى "ambient standard" معنى "ambient air monitor" معنى "environmental quality standard" معنى "groundwater quality standard" معنى "standard quality limit" معنى "air quality guideline" معنى "air quality guidelines" معنى "air quality index" معنى "air quality law" معنى "air quality management district" معنى "air quality monitoring" معنى "indoor air quality" معنى "urban air quality" معنى "ambient" معنى أمثلة The first class of standards (such as the U.S. National Ambient Air Quality Standards and E.U. Air Quality Directive) set maximum atmospheric concentrations for specific pollutants.
جوال إصدار