inert gas arc spot welding

例句：

1. 1. Inert gas arc spot welding is a widely used method for connecting pipes and fittings together.
   惰性气体电弧焊接是一种广泛用于连接管道和配件的常用方法。
2. 2. The inert gas arc spot welding process requires careful control of the welding parameters to achieve optimal results.
   惰性气体电弧焊接过程需要仔细控制焊接参数以获得最佳结果。
3. 3. The inert gas arc spot welding technique has been shown to be more efficient than traditional methods forcertain applications.
   惰性气体电弧焊接技术已被证明在某些应用中比传统方法更为高效。