depressed-center flat car
/dɪpɹˈɛstsˈɛntə ˈflat ˈkɑː/
n
English · depressed-center flat car中文 · 凹式平车Español · plataforma de piso bajoFrançais · wagon plat surbaissé
意味：Car with two extra trucks and a lowered deck for carrying heavy equipment.