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按照马克思主义政治经济学的理论,铁路旧线改造属内涵扩大再生产。从我国的国情、路情的实际出发,“七五”时期,铁路必须走内涵为主扩大再生产的道路,能否打好旧线改造这场翻身仗,不仅关系到铁路自身的发展,也关系到整个国家的经济前景和发展的后续能力,历史赋予铁路旧线改造以特殊的重要地位和作用。
According to the Marxist theory of political economy, the transformation of old railway lines is a connotation of expanding reproduction. From the actual conditions in our country and the actual situation of the road, during the “Seventh Five-Year Plan” period, the railway must take the connotation as the main way to expand reproduction. Whether the old line can be reconstructed can be a turning-point battle is not only related to the development of the railway itself, but also to the development of the railway itself To the economic prospects and development follow-up capabilities of the entire country, history has given special importance to the reconstruction of the old railway lines.