treatment with sodium hydroxide
treatment with sodium hydroxide
氢氧化钠处理
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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On the basis of studying the mechanism of sewage scaling and its softening treatment, the technique for water quality soft process with sodium hydroxide precipitation method is determined.
在污水结垢机理和软化处理研究的基础上，确定了氢氧化钠沉淀法进行水质软化处理的工艺。
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