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介绍了岭澳Ⅱ期核电站4号机组反应堆压力容器（RPV）接管安全端役前（PSI）射线检查技术。依据法国压水堆核电站设计建造标准RCC-M和在役检查标准RSE—M，总结了反应堆压力容器接管安全端射线检测的技术要点；同时还介绍了RCC-M和RSE—M标准中的一些特别规定。“,”This thesis introduces the PSI RT inspection technology of safe-end-welds of NO. 4 unit＇s RPV in Ling＇ao Nuclear Power Station Period Ⅱ. According to French PWR＇s standards REEM and RSE-M, it concludes the key technological points in safe-end-welds of RPV