本实用新型涉及饲料加工制粒和膨化技术领域，尤其涉及调质蒸汽技术领域。
The utility model relates to the technical field of feed processing of granulation and bulking, particularly the technical field of tempering steam.
本发明涉及饲料添加剂技术，特别是一种聚乙二醇包被碘化钾及其制备方法。
The invention relates to the feed additive technology, in particular to a polyethylene glycol coated potassium iodide and a preparation method thereof.
本发明涉及饲料添加剂技术，特别是一种聚乙二醇包被硫酸亚铁及其制备方法。
The invention relates to the feed additive technology, in particular to a polyethylene glycol coated ferrous sulphate and a preparation method thereof.
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