national ambient air quality standards meaning in English
国家环境空气质量标准
全国环境空气质量标准
Related Words
- ambient lighting
- ambient monitoring
- ambient density
- ambient atmosphere
- ambient illumination
- ambient mass
- ambient sensor
- ambient vibration
- ambient soil
- ambient tenperature
- national ambient air quality objective
- national ambient air quality standard
- national ambulatory care survey
- national ambulatory medical care survey