drag freight train造句

例句与造句

1. While it was not suited to heavy drag freight trains, faster and lighter trains were well suited to the type.
2. Compared to " fast freight " trains, drag freight trains have a very low power-to-weight ratio, making them somewhat unpredictable on steep grades or hilly routes.
3. It's difficult to find drag freight train in a sentence. 用drag freight train造句挺难的