welding electrodes

例句：

1. 1.The welding electrodes are used to join two pieces of metal together.
   焊接电极用于将两块金属连接在一起。
2. 2.The welding process requires precise control of the welding electrodes.
   焊接过程需要精确控制焊接电极。
3. 3. The welding electrodes are heated and pressed together to create a strong bond between the metals.
   焊接电极被加热并压在一起，以在金属之间形成牢固的连接。