Disconnect the other wire from the bulb holder , and clip the loose end to the lead of the pencil.
将另外那条电线连接灯泡底座那端移开，然后夹到铅笔的「铅」上。
2
The steel core wire, as we know, conducts electrical current from the electrode holder to the work.
钢铁核心线，我们知道，进行电流从电极持有人的工作。
3
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