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一、选用线路纵断面组合坡度 铁路单,双机牵,jl的经济效果,主要与机车性能、线路长度和线路纵断面条件有关。其中线路纵断面坡度,每条线路情况都不相同,千变万化。不同的线路纵断面条件,在相同的牵引动力条件下,其燃料消耗和运营费支出是不相同的。为了寻找出单台、双台和三台机车牵引的经济效果和燃料消耗的一般规律,这里选用几种限制坡度和几种组合坡度,作为分析其经
First, the selection of the combination of longitudinal profile of the railway slope single, double pull, jl economic effect, mainly with locomotive performance, line length and line longitudinal section conditions. Including the vertical gradient of the line, each line is not the same situation, ever-changing. Different line profile conditions, in the same traction power conditions, the fuel consumption and operating expenses are not the same. In order to find out the general rules of economic effect and fuel consumption of traction for single, double and triple locomotives, several limiting slopes and several combinations of slopes are selected here for analysis