pulse dot soldering iron

例句：

1. 1.The pulse dot soldering iron is an essential tool for repairing electronic devices.
   脉冲点焊机是修理电子设备的必备工具。
2. 2.The technician used the pulse dot soldering iron to quickly fix a broken circuit board.
   技师使用脉冲点焊机迅速修复了一块断路的电路板。
3. 3.In this workshop, we will demonstrate how to use the pulse dot soldering iron for basic electronics assembly.
   在这个工作坊里，我们将演示如何使用脉冲点焊机进行基本的电子组装。