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该文采用国际上比较先进的ASIM－D2887标准方法,对其操作过程及条件选择进行讨论,给出了分析宽馏份样组份的操作条件.在样品分析中对D2887分析数据同诺亚克方法存在的分析数据差异做出了定性解释.“,”The paper adopts more advanced ASTM - DZ 887 standard methord in internation, also discusses it''s op- eration process and condition choice. gives the operating condition of analysed wide lube. It also gives qualitative explana- tion about the difference between DZ 887 anaysed data.