부산도시철도 2호선 11편성 제동장치 교체후 IGBT 개조차 덕천역 장산행 발차영상
편성:211편성 소자:우진산전 IGBT Busan transportation corporation line 2 211 train Wojin IGBT engine deokcheon station leaving video Train:211 train Engine:Wojin IGBT engine Busan transportation corporation line 2 211 tren Wojin IGBT engine deokcheon station mag-iwan video
