| 摘要 |
<p num="1"><br/><br/> ABSTRACT OF THE DISCLOSURE<br/><br/><br/> A welding machine for pulsed arc welding provided<br/>with a constant voltage source and having at least one<br/>transistor included in the welding circuit, and a pluse<br/>generator providing adjustable pulse duration and sequence<br/>frequency to provide pulsed arc.<br/> |
