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本文分析了我国客车的现状,用概率统计的方法研究了22型客车的经济性使用年限。并探讨了影响客车使用年限的主要原因,提出了钢结构的元检修化设想。
This paper analyzes the current situation of passenger cars in our country, and studies the economic useful life of the 22 passenger cars with the method of probability and statistics. The main reasons that affect the service life of passenger cars are also discussed, and the idea of checking and repairing the steel structures is proposed.