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介绍了粉末涂装和电泳涂漆前的预处理──微晶锌钙系磷化处理的特点、性能、磷化液中各组分的作用及其对磷化质量的影响，同时阐述了其在机车车辆工业中的应用前景．
Pretreatment before powder coating and electrophoretic painting - the characteristics and properties of phosphating of microcrystalline Zinc-Calcium series, the role of each component in phosphating solution and its influence on the quality of phosphating, are introduced Application prospect in locomotive and vehicle industry.