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The secret of high-speed rail “flying close to the ground”: a magical journey from electricity to wind
When you sit on a high-speed train at a speed of 300 quilômetros por hora, the scenery outside the window is like a movie with the fast-forward button pressed. You may be…
“Joints” on rails: the technical code for wheelset devices
Behind the speeding train, there is a set of precision devices that silently bear tens of millions of tons of weight and endure high-frequency vibrations – the wheelset axle box device. It…