Afte r the trial operation of new unit,if the over all performance of unit is compara tively better,for the existing local defects,local minor repair is employed in s tead of complete major overhaul.

 
  • 新机组试运后,在机组总体性能较好、局部有缺陷时,采用了局部小修代替全面大修的方式。
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