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苏刊《世界铁道》1985年第8期的一篇文章中指出,最近两年在棚车研究中,发现了一些有趣的问题:25年内用于维修的费用大约等于购置费。维修费用的分配情况大体上是:计划性预防修理一40%;消除故障修理-20%;更换部件修理-20%;备件-20%。综合研究结果可以发现,按每一走行公里的维修费用计算,两辆客车比一台电力机车约高35%;四辆棚车相当于一台电力机车。
In an article in the magazine World Railroad, No. 8, 1985, the magazine pointed out that in the last two years there was some interesting question in box car research: the cost of repairs for 25 years was about the same as the purchase cost. The distribution of maintenance costs is generally: a planned preventive repair a 40%; eliminate fault repair -20%; replacement parts repair -20%; spare parts -20%. Based on the results of the comprehensive study, it can be found that, for each maintenance cost per kilometer traveled, the two buses are about 35% higher than an electric locomotive and four boxes equivalent to one electric locomotive.