Транспортные статьи Рисунки и чертежи подвижного состава
Шэньян
The joint of the ST4 (otherwise known as KT4K), which had mostly failed in use while in Pyongyang.
It shows the articulation joint and the scissor joint
《城市车辆》97/3
Март 1997 г. (примерно) Прислал jiachen
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