부산도시철도 2호선 4편성 IGBT 개조차 덕천역 양산행 진입영상
편성:204편성 소자:우진산전 IGBT Busan transportation corporation line 2 204 train Wojin IGBT engine deokcheon station approaching video Train:204 train Engine:Wojin IGBT engine Busan transportation corporation line 2 204 tren Wojin IGBT engine deokcheon station pupunta video
