pulsed arc starter

例句：

1. 1. The pulsed arc starter is a critical component in the welding process.
   脉冲弧焊机启动器是焊接过程中的关键部件。
2. 2. The engineer used the pulsed arc starter to improve the quality of the weld.
   工程师使用脉冲弧焊机启动器来提高焊缝的质量。
3. 3. The pulsed arc starter was designed to reduce the heat input needed for the welding process.
   脉冲弧焊机启动器被设计用来减少焊接过程所需的热输入。