double carbon-arc welding

例句：

1. 1. The double carbon-arc welding process is used inthe manufacturing of steel components.
   双碳弧焊工艺用于制造钢铁组件。
2. 2. During the doublecarbon-arc welding process,the electrodes are moved back and forthto create a continuous weld bead.
   在双碳弧焊过程中，电极被来回移动以创建连续的焊缝。
3. 3. Thedouble carbon-arc welding processhas become increasingly popular due to its highefficiency and precision.
   由于其高效率和精确度，双碳弧焊过程越来越受欢迎。