它通过光导电缆发射激光给机器人，机器人用它手臂末端的角度透镜和镜子对准激光点焊接。

It transmits a laser beam through an optical cable to a robot, which angles lenses and mirrors in the end of its arm to aim the laser towards the parts that need welding.

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电缆的末端与一个尾随浮筒相连。

A tail buoy is connected to the far end of the cable.

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形成完整的圆，通过把电缆的末端到一个插座。

The complete circle is formed by putting the end of the cable into one of the sockets.

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