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.
英
美
- 近些年，隨著(zhù)染料工業(yè)的發(fā)展，產(chǎn)生了大量的染料廢水，其特點(diǎn)是濃度高、色澤深、成分復雜，由于大量的排入江河湖海，嚴重的污染了水體環(huán)境。
