argon shielded arc welding

例句：

1. 1. Theconstruction of the bridge was completed with argon-shielded arc welding technology.
   该桥梁的建设采用了氩气保护焊技术。
2. 2. The steel plate was welded together using argon-shielded arc welding techniques.
   使用氩气保护焊技术将钢板焊接在一起。
3. 3. The quality of the welds was inspected for any signs of contamination during argon-shielded arc welding.
   在氩气保护焊过程中，对焊缝的质量进行了检查，以确认是否存在污染迹象。