Because the su lage contains a mass of the pathogeny and it is whiffy even disposed, it repollute the water in case of disposed incorrectly.
由于污泥成
复杂，对
污染日益加重，因而污泥处理技术已经成
重要保课题之一。
Because the su lage contains a mass of the pathogeny and it is whiffy even disposed, it repollute the water in case of disposed incorrectly.
由于污泥成复杂，对污染日益加重，因而污泥处理技术已经成重要保课题之一。
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