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分析了影响管材涡流检测可靠性的主要原因，介绍了探伤仪器、穿过式探头及装置所采取的技术改进措施及其在涡流自动检测系统中的应用情况以及检测效果。
The main reason that affects the reliability of pipe eddy current testing is analyzed. The technical improvement measures adopted in testing instruments, through probes and devices and their application in automatic eddy current testing system are introduced.