The environmental pollution caused by dust particles, especially the dust accompanied with the production and operation in industrial and mining enterprises do severe harm to the health of human body.
粉尘对环境的污染，特别是工矿企业许多生产岗位在生产过程中产生的粉尘对人体健康造成的危害十分严重。
Scientists are finding ways to stop air pollution especially in big industrial areas and densely-populated cities.
科学家们正在寻找阻止空气污染的方法，尤其是在大工业区和人口稠密的城市的。
Recently, the pollution caused by industrial exhaust gas, especially, the air pollution and acid rain resulting from the sulfur of exhaust gas, is increasingly drawing people's attention.
近些年来，人们越来越重视工业气体产生的污染，尤其是工业气体中硫产生的大气污染和酸雨。
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