Both of the giant programs require convenient railway transportation.

这两个经济带都非常需要便利的轨道交通。

That reputation in the US didn't turn around until the advent of railway transportation in the mid-1800s.

直到 1800 年代中期铁路运输的出现，这种声誉在美国才得以扭转。

Our fathers used steel very little in railway transportation; rails and locomotives were usually made of iron, and wood was the prevailing material for railroad bridges.

我们的父辈在铁路运输中很少使用钢材； 铁轨和机车通常由铁制成， 木材是铁路桥梁的主要材料。