环境: environment; surroundings; c ...空气: air; atmosphere大气;环境空气: ambient air环境空气级: ambient air level环境空气标准: ambient air standard环境空气监测: ambient air monitoring环境空气污染: environmental airborne pollution环境空气质量: ambient air quality环境大气;环境空气: ambient air城市环境空气质量: urban air quality; urban (ambient) air quality; urban(ambient)airquality环境空气采样器: ambient air sampling instrument环境空气采样仪: ambient air sampling instrument环境空气动力学: environmental aerodynamics环境空气监测器: ambient air monitor环境空气监测仪: ambient air monitor环境空气取样仪: ambient air sampling instrument环境空气温度表: ambient-air thermometer环境空气质量标准: aaqs; ambient air quality standard便携式环境空气分析仪: portable ambient air analyzer国家二级环境空气标准: national secondary ambient air quality standard国家环境空气质量标准: naaqs; national ambient air quality standards国家环境空气质量目标: naaqo; national ambient air quality objective全国环境空气质量标准: naaqs; national ambient air quality standards适当环境空气的质量范围: desirable range of quality (of the ambient air)环境空间: environmental space