电烙铁

例句：

1. 1. He used a soldering iron to fix the broken part of the car.
   他用焊锡枪修好了汽车的损坏部分。
2. 2. The electric soldering iron is easy to use and convenient for many tasks.
   电动焊锡枪使用方便，适合许多任务。
3. 3. When welding metal together, it's important to keep the solder iron clean and dry.
   当我们焊接金属时，保持焊锡枪干净干燥是很重要的。