All carbonarc gouged surface areas shall be ground to clean bright metal prior to subsequent welding.
开始后续焊接前，所有碳弧气刨面区域应接地至洁净明亮的金属。
2
If there aren't cast-iron electrode, the cast-iron electrode can be made by ordinary low carbon steel electrode, and repair the damaged stock with arc cold welding.
在没有铸铁焊条的情况下，采用普通低碳钢焊条制作铸铁焊条，用电弧冷焊技巧修复损坏的铸铁件。
3
The method of Carbonarc-welding is adopted. It is feasible in practice to be used in the material weld. The feedback from the user demonstrates the reliability of welding quality.