【摘要】 该文从市场的拉动、科技的支撑和逐步扩大市场三个方面，以１２５ＭＷ机组的改造为例，论述了老机组技术改造的新思维，数据翔实，说理清楚，可以借鉴。图２表３更多还原

【Abstract】 Abstract Pushed ahead by market requirements, supported by science and technology and its advances, the paper takes the 125MW set as an example to explain the new ideas concerning the retrofit of old sets. The figures given being realistic and the explanation clear, the paper may be used for reference parposes.更多还原