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(一)前言内燃机车是铁路高效率的牵引动力之一。调车作业的特点,要求机车机动灵活、经济可靠、适应性强、能适应各作业区不同的需要。内燃牵引不仅可以满足这些要求,而且无需电力网;同时操纵方便、了望清楚、工作安全;并为实现自动集中控制与遥控创造了有利条件。调车机车的比重,国外约占整个运用机车量的30％左右(不包括工矿、森林用调车机
(A) Preface Diesel locomotive is one of the high traction power of the railway. Shunting operations characteristics require locomotive flexible, economical and reliable, adaptable and able to adapt to the different needs of the operating area. Internal combustion traction can not only meet these requirements, but without the power grid; at the same time easy to operate, look clear, work safety; and to achieve automatic centralized control and remote control has created favorable conditions. The proportion of shunting locomotives, foreign countries accounted for about 30% of the total use of locomotives (excluding mining, shunting machines for the forest