According to the rule of satisfaction model of index, precision grade and tolerance grade was calculated.
按照指数满足度模型准则，计算精度等级、公差等级。
Selection of tolerance grade shall be in accordance with the practical requirement.
公差等级的选择应当满足实际需求。
Ordinary Low Carbon Steel Wire, Annealed Low Carbon Steel Wire, Galvanizedclassification, Symbol of Grade , Tolerance and Remarks.
光线，火线，铅水线及制造钉用低碳钢线之代号、公差及备注。
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