When spot-welding, for instance, a robot has to touch the metal with an electrode.
例如，当点焊的时候机器人必须用电极接触金属。
2
Available for 2 ~ 6 acid and alkaline weldingelectrode, gravity electrode and metal fill.
适用直径2 ~ 6的酸性、碱性焊条和重力焊条的焊接和金属填补。
3
This welding process joints work pieces by melting the electrode and the base metal with the heat from the electric arc between the electrode and the work piece.