This paper introduces main acid polluting substances and their harm, as well as the characteristics of man-made wetland treating system and their mechanism and function of treating mine wastewater.
文章介绍了酸性主要污染物及其危害，人工湿地处理系统的特点及利用人工湿地系统处理酸性矿山废水的机理与效能。
The tannery wastewater contains difficult degradation substances with high strength and large number of suspended substances, seriously polluting the environment.
皮革废水难降解物质含量高，且含有大量的悬浮物质，对环境污染很大。
This product, with its structure of special protection factors can prevent harmful substances such as dust and other mixture from polluting and damaging the skin.
本品独特的防护因子结构可阻挡空气中悬浮的灰尘、杂质等有害物质对皮肤的污染和伤害。
This product, with its structure of special protection factors can prevent harmful substances such as dust and other mixture from polluting and damaging the skin.
本品独特的防护因子结构可阻挡空气中悬浮的灰尘、杂质等有害物质对皮肤的污染和伤害。
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