twin arc welding

例句：

1. 1.Twin arc welding is a technique used in the construction of steel structures.
   双弧焊是一种用于钢铁结构建造的技术。
2. 2.The engineers employed the latest techniques for the twin arc welding process.
   工程师们采用了最新的技术进行双弧焊接过程。
3. 3. The quality control department is responsible for ensuring that all parts are properly welded during the twin arc welding process.
   质量控制部门负责确保在双弧焊接过程中所有部件都得到适当的焊接。