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介绍了酸雨对常用汽车清漆的面漆层腐蚀作用的定性与定量的评价方法，着重介绍以涂膜失重定 量表征酸雨对面漆层侵蚀作用的实验室方法，并对该方法与涂膜野外实际酸雨腐蚀试验方法的相 关性进行了论证。
This paper introduces the qualitative and quantitative evaluation method of acid rain on the corrosion of top coat of common car varnish. The laboratory method of quantitatively characterizing the erosion of acid rain on the top coat by weight loss of coating is emphatically introduced. The correlation of acid rain test method is demonstrated.