As an example, a robot doing spot welding one month can be reprogrammed and switched to spray painting the next.
比如说，一个机器人做了一个月的点焊，可以重新编程，下个月转向喷漆。
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。
Using a laser, the robot can make highly accurate welds and position itself for each one a lot faster than it could if it were spot-welding in the normal way.
与传统方法相比，利用激光，机器人可以高精度高效率的完成焊接。
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