连接电路的导电笔 Conductive Pens Connecting a Circuit

两支导电笔在电路上连接的特写镜头。一个详细的、技术性的镜头，非常适合展示精确度或为以电子产品为重点的内容增添动手氛围。

Extreme close-up of two conductive pens making connections on a circuit. A detailed, techy shot, perfect for showcasing precision or adding a hands-on vibe to electronics-focused content.