光线，火线，铅水线及制造钉用低碳钢线之代号、公差及备注。
Ordinary Low Carbon Steel Wire, Annealed Low Carbon Steel Wire, Galvanizedclassification, Symbol of Grade , Tolerance and Remarks.
光芒（低碳钢线），前线（退火低碳钢线），铅水线（镀锌低碳钢线）及制作钉用低碳钢线之代号、公差及备注。
Ordinary Low Carbon Steel Wire, Annealed Low Carbon Steel Wire, Galvanized low Carbon Steel Wire & Low Carbon Steel Wire for attach accomplishment - allocation, Symbol of Grade, Tolerance and Remarks.
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