railway track structure

• 轨道结构

railway track structure的用法和样例：

例句

1. Owing to the differences in its rail structure, the change of track geometry is different.
   由于其轨道结构的差异，相应的轨道几何状态变化是不一样的。
2. So the conventional ballasted track must be intensified for high speed and heavy haul railway line, this is a chance for the elastic sle.
   在高速和重载的条件下传统的有碴轨道结构型式面临着严峻地考验。