copper-silicon welding rod

例句：

1. 1. The welding rod wasused to join the metal together.
   焊条用于将金属连接在一起。
2. 2. Copper-silicon welding rod is commonly usedin industrial applications.
   铜硅焊条在工业应用中非常常见。
3. 3. The welding rod was inserted into the jointand heated to melt the metal.
   焊条被插入到接合处并加热以熔化金属。