结论蔺草加工业粉尘污染十分严重，预防措施和管理须及时加强。
Conclusion The dust pollution is so much serious that some preventive and controlling measures must be taken.
煤炭燃烧的主要缺点——也是工业城市的特色——是烟尘、粉尘、灰渣和废气以及大量的温室气体二氧化碳污染了空气。
A major disadvantage of coal combustion-and characteristic of industrial cities-has been air pollution by soot, dust, ash, exhaust and large amounts of the greenhouse gas carbon dioxide.
根据个旧地区的地理环境、气象条件及工业粉尘情况，确定个旧地区土壤中铅、砷污染模式为大气污染型。
According to geographic environment, meteorological condition and industrial dust, lead and arsenic pollution model of the Gejiu area's soil is defined as atmospheric pollution type.
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