The damage of "O" seal rings of lower bodies for fuel injection pumps is one of the reasons for oil dilution of Beijing locomotives. To solve this problem, an improvement scheme for the roller bodies of fuel injection pumps was proposed.

  • 分析发现喷油泵下体O型密封圈破损是造成北京型机车机油稀释的原因之一,为解决这一问题,提出了一项对喷油泵滚轮体的改进方案。

  • 互联网摘选 2025-01-20 12:36:44

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