The results show that adopting CO2 gas protective welding instead of electrodewelding rod can increase the efficiency of ensuring welding quality, which can also bring better economical benefit.
经过实践证明，替代焊条电弧焊，而采用CO2气体保护焊可提高效率，保证焊接质量，带来较好的经济效益。
2
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。
3
Electrode for arc welding consists of the core and the coat.