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阐述了核级阀门承压焊接的质量控制。介绍了产品焊接工艺评定和工艺规程的实施方法。给出了产品施焊中对施工现场、设备及产品检验的具体要求。
Describes the quality control of nuclear pressure bearing under pressure. The method of assessing the product welding procedure and implementing the procedure is introduced. The specific requirements for inspection of construction site, equipment and products during product welding are given.