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.
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。
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.
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。
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