这结果至少超过了美国国家空气质量标准的4倍。
That's at least four times greater than exposure standards set by U.
空气质量标准州与州不同。
基本标准——一个旨在保护人类健康的周围空气污染级别。
Primary standard — an ambient air pollution standard designed to protect human health.
洁净手术部全面系统地严格管理可以使空气细菌浓度达到标准；
The essence to reach the standard of bacterial concentration was the management systematically.
关于横向小组，我们有一范（标准尺寸200毫米）与空气过滤器。
On the lateral panel we have one fan (standard size 200 mm) with air filter.
有了这个，您的建设能够满足建筑和工程管理局绿色标志室内空气质素的标准。
With this, your building can meet the building and Construction Authority Green mark IAQ criteria.
空气中的烟尘、SO2浓度远远超过了国家标准。
The concentration of SO2 and dust in air is over the national standard enormously.
车间空气中呼吸性矽尘卫生标准。
Health standard for respirable silica dust in the air of workplace.
标准大气压受空气流动和温度影响。
The standard atmosphere is influenced by the flow of the air, and the temperature.
各污染指标可满足环境空气质量(GB3095—1996)中二级标准。
Each pollution index can reach the air environment quality level-2 standard (GB3095 -1996).
可使用标准的或定制炉内空气过滤器。
本标准适用于全国范围的环境空气质量评价。
The standard is available for air quality assessment all of the country.
按照这个标准，北京的空气质量可能在2030年前无法达标。
By that standard, Beijing still might not have healthy air by 2030.
按照这个标准，北京的空气质量可能在2030年前无法达标。
By that standard, Beijing still might not have healthy air by 2030.
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