光线低碳钢线火线退火低碳钢线铅水线 镀锌低碳钢线及制造钉用低碳钢线之代号公差及备注
Code tolerances and remarks for light low-carbon steel wire, live wire annealed low-carbon steel wire, lead water line galvanized low-carbon steel wire and low-carbon steel wire for nail manufacturing
以上为机器翻译结果，长、整句建议使用 人工翻译 。