second stage neutralizing
The prodn. method for forage grade calcium hydrophosphate uses ground phosphate rock and strong inorganic acid and includes the steps of resolving, filtering, defluorinating, first stage neutralizing, second stage neutralizing, separating and drying.
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second stage neutralizing
第二阶段中和
以上为机器翻译结果，长、整句建议使用 人工翻译 。