nitrogen phosphorus potassium
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美
- 氮磷钾
双语例句
- A Study on the Rule of Accumulation and Transfer of Nitrogen, Phosphorus and Potassium in Plantago asiatica L.
江西道地药材车前中氮磷钾的积累转运规律研究。 - It's a economical way to make compound fertilizer named Potassium Phosphate, Using carnallite and wet phosphoric acid by double decomposition reaction.
用光卤石和湿法磷酸通过复分解反应生产磷钾复合肥料是较经济的方法。
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