对于机车来说,是要求具有较大马力和较低成本呢,还是要求具有另外一些更为重要的特性呢?《现代铁路杂志》调查的结果发现,大多数铁路公司机械处的负责人更倾向于要求较好的燃料经济性、更高的粘着力、更高的可靠性和利用率。各铁路公司的想法和个人爱好是不同的。负责提出牵引动力装置的各铁路公司机械处的负责人,对今天的机车和下一代的机车提出了二十余项改进意见,这些意见的涉及面小至水 For locomotives, is it required to have a higher horsepower and lower cost, or is it required to have other more important features? According to the survey conducted by Modern Railway Magazine, the chiefs of most railway company’s machinery departments are more inclined For better fuel economy, higher adhesion, higher reliability and utilization. The railway company’s ideas and personal hobbies are different. The responsible person of the Machinery Division of the railway companies responsible for propulsion of power units proposed more than 20 suggestions for improvement on today’s locomotives and the next generation of locomotives,