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介绍我国近 10年磷肥各品种产量及产品结构 ,硫酸产量及原料结构以及磷复肥和硫磺、硫酸的进、出口量 ,表观消费量的情况
Introduce the output and product structure, the output of sulfuric acid, the structure of raw materials and the import, export and apparent consumption of phosphatic compound fertilizer, sulfur and sulfuric acid in the past 10 years of our country