wiring pen

例句：

1. 1. This wiring pen is perfect for connecting wires together.
   这个接线笔非常适合连接电线。
2. 2. The engineer used a wiring pen to mark the electrical connections.
   工程师使用接线笔来标记电气连接。
3. 3.The wiring pen was essential for completing the electrical installation.
   接线笔对于完成电气安装至关重要。