探讨了用超声波技术对运用机车柴油机钢顶铝裙活塞裙部裂损进行提前预防的措施和方法。

The precautionary measures to prevent skirt from fracturing, by means of ultrasonic flaw detection technology, are discussed.

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车载燃油监测系统是一套对运用机车和非运用机车的燃油消耗进行精确监测的系统，现对车载燃油监测系统的功能、构造、技术要求及工作原理进行介绍。

Vehicle fuel monitoring system is used as locomotive fuel consumption accurate detection system. The function, structure, technical requirements and the principle of the system is introduced.

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介绍了DF _ (11g)型机车的研制过程、结构及性能参数、试验及运用等情况。

The development process, structural parameters and performance parameters, test and service of DF_ (11g) locomotive were described.

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