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EU07 Simulator English forum / Odp: A guidebook to MaSzyna 22.03 in Chinese
« dnia: 13 Kwietnia 2022, 14:05:57 »
It's a DC-DC voltage converter. Rotary converter on older machines, electronic one on newer.
https://en.wikipedia.org/wiki/Rotary_converter
https://en.wikipedia.org/wiki/Rotary_converter