小田急70000形電車が初めて運用された区間はどこ
The (Luxury Super Express) was an electric multiple unit (EMU) train type operated from December 1980 to July 2018 by Odakyu Electric Railway on "Romancecar" limited express services in Japan.
from December 1980 to July 2018 by Odakyu Electric Railway on "Romancecar" limited express services