The fuel pressure signal was considered as the performance testing parameter of the spray system in high speed diesel engine performance testing.

在高速柴油发动机喷油系统性能检测中，一般以燃油压力信号作为喷油系统性能检测参量。

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Based on the modal analysis theory, modal testing system is built, and the modal parameter of the Diesel Engine Main parts and the Combined Structure are obtained by using software.

本文根据模态试验理论搭建了模态试验系统，获取了柴油发动机主要零部件及其组合结构的模态参数。

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Researched on the oil tube creep mechanical property of diesel carrier engine, supply the viscoelasticity mechanics parameter for development of new style oil tube stuff.

研究了柴油车发动机油管蠕变力学性能，为新型油管材料的研制提供粘弹性力学参数。

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