| 1. | That provides for the implementation, maintenance, and enforcement of the national air quality standards . 它为贯彻、维护、并执行国家的空气质量标准作准备。 |
| 2. | Due to increasing awareness of the adverse consequences of air pollution, numerous countries of the temperate latitudes have promulgated air quality standards . 由于对大气污染的恶化情况日益关注,地处温带的许多国家颁布了空气质量标准。 |
| 3. | Aaqs ambient air quality standard 环境空气质量标准 |
| 4. | Ambient air quality standard 环境空气质量标准 |
| 5. | Indoor air quality standard 室内空气质量标准 |
| 6. | Air quality standard 空气质量标准 |
| 7. | Standard on breathing air quality for fire and emergency services respiratory protection 救火和急救工作呼吸保护的呼吸空气质量标准 |
| 8. | Meeting the naaqs often requires emissions reductions from mobile sources 为达到国家空气质量标准,时常需要自移动污染源降低排污量。 |
| 9. | Clean air act amendment ( 1987 ) established a national air - quality standard for ozone 1987年洁净空气法修正案建立了空气的国家空气质量标准。 |
| 10. | Presents the main factors influencing indoor air quality and the correlative stipulation in the code for indoor air quality 摘要论述了室内空气质量的主要影响因素和《室内空气质量标准》中的相关规定。 |