固定污染
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fixed contamination 固定沾污
non-fixed contamination 非固定污染
fixed d contamination 固定沾污
fixed charge method contamination 固定沾污
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The obtained results show that rare earth elements are used to increase the dye absorptivity and fixed colourant and reduce the contamination of dyeing waste water and so on.
实验结果表明可以提高活性染料的吸色率和固色率,并且还可以减少环境污染等。
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