NB/T 20253-2013.System cleaning for PWR nuclear power plant installation and commissioning. 1范围 NB/T...

NB/T 20252-2013.Design criteria for engineered-safety-feature air cleaning units in PWR nuclear powe...

NB/T 20239-2013.The specification of draw-up commissioning program for PWR nuclear power plants. 1范围...

NB/T 20236-013.Nondestructive testing of weld of containment steel lining for pressurized water reac...

NB/T 20233-2013.Requirements of cleaning and cleanliness for components in steam supplying system of...

NB/T 20232-2013.Design criteria for fuel handling and storage systems of pressurized water reactor n...

NB/T 20231-2013.Design criteria for engineered safety features of pressurized water reactor nuclear ...

NB/T 20228-2013.Type testing of measuring sensors and transducers of safety important instrumentatio...

NB/T 20227-2013.Qualification of switchgear assemblies for class 1E applications in nuclear power pl...

NB/T 20226-2013.Qualification of class 1E transformers for nuclear power plants. 1范围 NB/T 20226规定了安装...