There are currently four main railway track standards around the world. As the new CRRC train is equipped with gauge-changing bogies, it can change its rail mode during cross-border travel, greatly improving the efficiency of travel across rail systems.
-
-
Show this threadThanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.