This paper expounds the principle and method of economic analysis and demonstration on overhaul of equipment incorporating practical instances and problems.
本文结合实际工作中的情况和问题，阐述较为简便的设备大修理经济性分析与论证的原理和方法。
It shows the whole process of project economic analysis, studies the method of economic analysis and presents the key factors which effect the project economy.
展示了项目经济分析的过程，研究了经济分析的方法，提出了影响项目经济性的关键因素。
Method of economic analysis and comparative study are employed in the paper.
研究方法：经济分析法和实证比较法。
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