High-speed Rail Market Size, Share, and COVID-19 Impact Analysis, By Propulsion (Diesel, Electric, Dual Power), By Speed (200-299 km/h, 300-399 km/h, 400-499 km/h, Above 500 km/h), By Application (Passenger, Freight), By Component (Axel, Wheelset, Converter, Transformer, Traction Motor, Traction System, Pantograph),和区域预测，2025-2032