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对机组中的高压联合调门产生裂纹的原因进行了分析 ,并提出了调门修复的焊接工艺措施 ,为大型铸钢件的修复提供了成功的经验
The causes of cracks in the high pressure joint adjusting door in the unit are analyzed, and the welding process measures for adjusting the door are put forward, which provides the successful experience for the repair of large castings