soldering pin

例句：

1. 1.This soldering pin is used for connecting electronic components together.
   这个焊接针用于连接电子元件。
2. 2. The technician carefully inserted the soldering pin into the circuit board.
   技术人员小心翼翼地将焊接针插入电路板。
3. 3.The soldering pin was exposed to high temperatures during the assembly process.
   在装配过程中，焊接针暴露于高温下。