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1前言长期以来，有色金属加工产品标准中对表面或外观的技术要求一直受到原苏联标准模式的影响．表面质量规定的非常细，有些标准对表面质量的要求达到18项条款。绝大部分标准中的条款都用到了“轻微”、“局部”的非定量的词。如GB3880－83中规定“板材表面允许有轻微的压过划
1 Foreword For a long time, the technical requirements for the surface or appearance of non-ferrous metal processing product standards have always been influenced by the former Soviet Union’s standard model. Surface quality rules are very fine, and some standards require 18 surface qualities. Most of the terms in the standard use “slight”, “partial” non-quantitative words. Such as GB3880-83 stipulates that "sheet surface allows a slight pressure over the planning