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１ 相关标准１．１ 美国联邦法规１０ＣＦＲ５０要求符合５０．２１（ｂ）或 ５０．２２的运行许可证持有者必须制定和执行一个保证大纲，该大纲要保证压水堆蒸汽发生器传热管的安全功能。首要的安全功能是由于蒸汽发生器传热管是反应堆冷却剂压力边界（ＲＣＰＢ）的主要组成
1 RELATED STANDARDS 1.1 CFR 10 CFR 50 REQUIREMENTS Operators of licenses that comply with 50.21 (b) or 50.22 must establish and implement a guarantee program that warrants PWR steam generator heat transfer tubes Security features. The primary safety function is due to the fact that the steam generator heat transfer tube is the main component of the reactor coolant pressure boundary (RCPB)