Freight car sizes also increased, with eight-wheel cars being common by 1859.
Freight car sizes also increased, with eight-wheel cars being common by 1859.
货车容量也增加了，到1859年，八轮车厢已很普遍。
Freight car sizes also increased, with eight-wheel cars being common by 1859.
货车容量也增加了，到1859年，八轮车厢已很普遍。