| environ. | 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 | 空气质量检测 (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。) |