the oxidation with nitric acid
the oxidation with nitric acid
用硝酸氧化
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The experiments have shown that the technology of oxidation degradation with nitric acid and sulfoxidation with sodium sulphite to produce water-reducer of cement with decomposed coal is available.
大量实验证明以风化煤为原料采用硝酸氧化降解后再磺化的方法生产混凝土减水剂的工艺是合理的。
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