variable gauge

system to allow railway vehicles to travel across a break of gauge

en-US/ˈvɛɹiəbəl ˈɡeɪd͡ʒ/
en-GB/ˈvɛəɹɪəbl ˈɡeɪd͡ʒ/

زمرے:

Technology of rail vehiclesgauge conversion