NGM系列富液免维护铅酸蓄电池非常适合铁路内燃机车启动用，也可作为太阳能、风能发电系统储能蓄电池。
This NGM series battery is fit to the locomotives, and can be used as the solar and wind generating electricity system to store energy.
机车传动轴系列零件为小直径回转体焊接件，焊接难度大，质量要求高。
The series of locomotive transmission shafts are cylindric welded components with small diameter, which have many welding difficulties and high quality requirement.
简要介绍德国铁路现有电力机车动车的各种系列、数量和主要改进。
This paper briefly introduces various series, number and main improvement of existing railway electric motor vehicles in Germany.
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