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.
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