What Makes DF6 ORG Remove: Revision history

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5 December 2025

  • curprev 15:0115:01, 5 December 2025SabineWofford38 talk contribs 10,322 bytes +10,322 Created page with "<br><br><br>1980年代,中国在实施改革开放以后,国民经济快速发展,铁路客货运量猛增,铁路运输能力全面紧张,货运能力不足导致各地待运货物物资大量积压,而当时刚刚投入批量生产的东风4型柴油机车,不仅机车数量和生产能力无法满足需求,而且在柴油机、传动系统以及制造工艺等方面也存在较多问题,机车可靠性和生产质量仍有待改进。 为了缓解机..."