The defects at the welding areas of blades of working impellers of primary pump connecting the cover plate have been found during pre-service inspection of Unit 1 at JNPC.

• 江苏核电有限公司在对1号机组进行役前检查时．发现主泵工作叶轮的叶片端面与盖板连接处的焊接区域有缺陷。