From bridge, tunnel, ballastless track and other line engineering, to traction power supply and train operation control systems, and then to the development of high-speed trains, China's high-speed railways have embarked on a unique innovative path, promoting China to occupy a world leading position in this field. From having nothing to building a complete and mature technology
From bridge, tunnel, ballastless track and other line engineering, to traction power supply and train operation control systems, and then to the development of high-speed trains, China's high-speed railways have embarked on a unique innovative path, promoting China to occupy a world leading position in this field. From having nothing to building a complete and mature technology