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Recently with the development of dye industry, a great lot of waste water appeared which is high concentration, deep color and complicated constitutions is ejected into the rivers and seas, and the water conditions are polluted badly.
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释义
近些年,随着染料工业的发展,产生了大量的染料废水,其特点是浓度高、色泽深、成分复杂,由于大量的排入江河湖海,严重的污染了水体环境。
以上内容独家创作,受著作权保护,侵权必究
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