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| air quality monitoring Regular checking and recording of air quality in a given area. The following pollutants must be considered: carbon monoxide, benzene, butadiene, lead, sulphur dioxide, nitrogen dioxide, and particulates (检测和记录指定地区的空气质量。需要考虑以下污染物：一氧化碳、苯、丁二烯、铅、二氧化硫、二氧化氮和微粒状物质。) | |||
| air quality measurement | |||