environment-concerned treatment
... 因时制宜climate-concerned treatment 因地制宜environment-concerned treatment 因人制宜individuality-concerned treatment ...
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Sludge is a by-product in the course of sewage treatment. Nowadays, how to treat and use sludge effectively and economically has become one of the most concerned subjects in environment engineering.
污泥是污水处理厂污水处理过程中的二次产物，如何有效处置污泥及对其进行合理利用，已成为当今环境工程界最为关注的课题之一。
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