A new magnetic leakage flux testing technique with a stationary probe and spiral transporting tubes was presented and it摘要介绍了一种新开发的“探头固定／钢管螺旋前进”的钢管漏磁探伤技术，分析了它与传统漏磁探伤方式的差异和优劣。
The system that applied leakage flux theory consisted of testing sensor, signal acquisition unit, computer system and un该系统主要包括检测传感器、信号采集器、计算机系统和打标器。