shielded carbon arc welding

例句：

1. 1. The shielded carbon arc welding process is used to join metals together without damaging the surrounding material.
   保护罩式碳弧焊过程用于连接金属，而不损害周围材料。
2. 2.In this case, the shielded carbon arc welding technique was used to repair the damaged area of the bridge.
   在这种情况下，使用保护罩式碳弧焊技术修复了桥梁受损的区域。
3. 3.The shielded carbon arc welding process has become increasingly popular in recent years due to its ability to produce high-quality welds with minimal heat input.
   近年来，由于其能够产生高质量的焊缝且热输入最小化，保护罩式碳弧焊工艺越来越受欢迎。