阐述了超声检测技术在核电厂核设备检测中的应用，主要包括反应堆压力容器筒体焊缝及接管焊缝、反应堆压力容器主螺栓、燃料组件、控制棒束组件、蒸汽发生器筒体焊缝及接管焊缝、稳压器筒体焊缝、蒸汽发生器/稳压器人孔螺栓、主泵焊缝、主管道焊缝、核辅助管道焊缝和汽轮机叶片等的超声检测；说明了缺陷自身高度测量以及超声检测技术的能力验证方法。

The application of ultrasonic testing technology in the nuclear equipment testing of nuclear power plants is expounded. The main applications of the ultrasonic testing equipment include nuclear reactor seam welds and takeover welds, reactor pressure vessel main bolts, fuel assemblies, control rod assemblies, steam generator barrel welding and take over welds, pressure vessel barrel welds, steam generator/stabilizer manhole bolts, main pump welds, main pipe welds, nuclear auxiliary pipe welds and steam turbine blades. The defect height measurement and ability verification method of ultrasonic inspection technology is also described.