Опубликовано в "Бизнес, Бизнес", язык - English. 8 страниц.
A rail wheel is a type of wheel specially designed for use on rail tracks. A rolling component is typically pressed onto an axle and mounted directly on a rail car or locomotive or indirectly on a bogie, also called a truck. Wheels are cast or forged and are heat-treated to have a specific hardness. Еще