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介绍利用膜分离技术制取富氧空气以及富氧空气(25%O2)在钙镁磷肥高炉生产中的应用、投资和经济效益。
The application, investment and economic benefits of oxygen-enriched air and oxygen-enriched air (25% O2) in the production of calcium magnesium phosphate fertilizer blast furnace are introduced.