The application limitation of traditional eddy current testing has been discussed in detail, new eddy current technologies such as far field eddy current testing, phase array technology and magnetic saturation and so on were introduced.

• 摘要突破了传统涡流检测的应用局限，介绍了油罐底板腐蚀涡流检测新技术，如远场涡流技术，相控阵技术和磁饱和技术等。