| 1. | We present the national primary and second ambient air quality standards as upper bound guideline . 我们把国家一级和二级环境大气质量标准作为上限控制线。 |
| 2. | Coolant temperature and ambient air pressure may be used to optimize cold starting and altitude performance . 冷却水温度和大气压力可用于使冷起动性能和高原性能最优化。 |
| 3. | Certain key aspects of abatement planning are best addressed through the use of an ambient air quality model . 消除污染的计划相当关键的方面最好通过应用环境模式来提出。 |
| 4. | Correlation between blood lead levels and exposure to lead in ambient air was exhibited by goldsmith and hexter . Goldsmith和Hexter揭示了血铅水平和暴露于带铅的空气环境的关系。 |
| 5. | Manual methods for ambient air quality monitoring 环境空气质量手工监测技术规范 |
| 6. | Continuous analyzer for sulfur dioxide in ambient air 大气中二氧化硫的连续分析仪 |
| 7. | Automated methods for ambient air quality monitoring 环境空气质量自动监测技术规范 |
| 8. | Continuous analyzers for hydrocarbons in ambient air 环境空气中烃类连续分析仪 |
| 9. | Continuous analyzer for carbon monoxide in ambient air 大气中一氧化碳的连续分析仪 |
| 10. | Ambient air - determination of dustfall - gravimetric method 环境空气降尘的测定重量法 |