另一部分沉出淤渣的清澈磷酸经浓缩后再中和制磷酸二铵。
Another part of limpid phosphoric acid after removing subsiding sludge was concentrated and neutralized to produce granular DAP.
另一部分沉出淤渣的清澈磷酸经浓缩后再中和制磷酸二铵。
Another part of limpid phosphoric acid after removing subsiding sludge was concentrated and neutralized to produce granular DAP.
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