郑州市包括郑州铁路局全局数据。
Data of Zhengzhou include Zhengzhou Railways Administration data.
铁路运输业包含郑州铁路局全局数据。
Data on railway transportation include Zhengzhou railways Administration.
由于郑州铁路局调整，2005年以后的数据与以前年不可比。
Because of The Change of ZhengZhou Railways Administration, Data since 2005 could not be Compared with former Years.
该设备已经在郑州铁路局车辆轮轴段成功投入使用并通过了技术鉴定，获得了良好的技术和经济效果。
This equipment has been already used in Zhengzhou RailwayBureau Zhengzhou Roling Stock Wheel-Axle Depot and passed technology qualification, and obtained favourable effect in both technic and economy.
为了防止内燃机车轮箍弛缓造成的机车脱轨事故，郑州铁路局机务处提出了机车轮对轮箍加装扣环的方案。
To prevent the digression accidents caused by locomotive's bandage relaxation, Zhengzhou train station put forward the scheme of wheel-set equipped with buckle.
为了防止内燃机车轮箍弛缓造成的机车脱轨事故，郑州铁路局机务处提出了机车轮对轮箍加装扣环的方案。
To prevent the digression accidents caused by locomotive's bandage relaxation, Zhengzhou train station put forward the scheme of wheel-set equipped with buckle.
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