Land application of sewage sludge is one of the main ways of the sludge disposal, whereas the contained organic contaminants are one of the factors limiting the sewage sludge land application.
污泥土地利用是国内外城市污泥主要的处置方式之一，而污泥中的有机污染物是污泥土地利用的限制性因素之一。
Land application of sludge has been practiced for many years, modern application being limited to digested sludge.
污泥的土地应用实践了好几年，而现在只限于处理消化污泥。
Land application of sludge has been practiced for many years, modern application being limited to digested sludge.
污泥的土地应用实践了好几年，而现在只限于处理消化污泥。
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