High delivery lift and high backpressure required in fuel throttle valve test were obtained through higher rotation speed of the main pump.

利用长征系列发动机主泵作为动力源，提高其转速，解决了燃料节流阀试验要求的高扬程、高背压等技术难题。

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Delivery valve calibration in diesel is tested and studied in multi-aspects to explore its mechanism and effect on fuel injection process.

本文对柴油机喷油过程中的出油阀校正问题进行了多方案的试验研究，探讨了出油阀校正的机理和出油阀校正对喷油过程的影响。

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