导向电流轨
/ˈɡaɪdɪŋ and ˈkʌɹənt ˈbɑː/
n
English: guiding and current bar · 导向电流轨
English · guiding and current barEspañol · raíl eléctricoFrançais · barre de guidage et de prise de courant
释义：Metal bar against which the guiding tire rolls; it also supplies the traction current.