There are three kinds of freight in transport: full-car load, Less-than-truck load and Container.
有三种货物运输形式：整车运输，零担运输和集装箱。 。
The key of acceleration and adding axle load of freight car is bogie.
铁路货车提高速度和增大轴重的关键是转向架。
The heat load borne by wheels increases after speed increase of the freight car.
货车提速后，车轮承受的热负荷相应增大。
The heat load borne by wheels increases after speed increase of the freight car.
货车提速后，车轮承受的热负荷相应增大。
应用推荐