工矿企业铁路运输牵引动力改革发展迅猛，不可逆转，积极地采用牵弓胜能好、能耗低的内燃机车代替蒸汽机车，是铁路运输安全、正点、高效、扩大运能的主要手段，也是铁路运输现代化的重要标志。邯郸钢铁总厂是冶金行业中较大型企业，年钢产量210万t，近期钢铁年产量要达到双300 The industrial and mining enterprises have been developing rapidly and irreversibly in the power reform of rail transportation. They actively adopt diesel locomotives with good bowing energy and low energy consumption instead of steam locomotives. They are also the main means of railway transport safety, punctuality, efficiency and expansion of transport capacity. Railways Important symbol of transport modernization. Handan Iron and Steel Plant is a larger enterprise in the metallurgical industry, the annual steel output 2.1 million t, the recent annual output of steel to reach double 300