通过研制立式直流电力测功机，实现对立轴发动机的动力和经济性能测试，为改进其性能提供科学依据。
By developing the vertical DC dynamometer, the test of power and economic properties of vertical shaft engine is accomplished, which provides scientific basis for improving the performances.
以立式单缸柴油发动机为研究对象，分析了低气压对发动机主轴承和连杆大端轴承工作情况的影响。
The influence of low environment pressure on the main bearing and big end bearing of internal combustion engine was investigated based on a one-cylinder diesel engine.
设计了一种适用于前置多喷管大推力短时间特种发动机点火试验的立式试车架，设计中对其动态特性进行了分析，获得了满意结果。
A kind of vertical test fixture for firing test of high thrust and short time motor with fore nozzles was designed. Its dynamic characteristics are analyzed and satisfactory results are obtained.
本文用最大误差方法，对固体火箭发动机六分力立式试验台的静态误差进行了分析。
By using the method of maximum error, the paper deals with the analysis of the static error of the six-component force test stand of solid rocket motors.
本文用最大误差方法，对固体火箭发动机六分力立式试验台的静态误差进行了分析。
By using the method of maximum error, the paper deals with the analysis of the static error of the six-component force test stand of solid rocket motors.
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