摘要
对压力管道焊缝磁粉检测方法,磁化电流、缺陷及磁痕特征作了介绍,并指出了某种磁粉机的问题。
This paper is introduce the Magnetic testing method、Magnetic electricity current、defect and magnetic particle indication in magnetic particle inspection of pressure piping welding. It is pointing to question of one magnetic flow machine.