steel rail

基本解释

Can you tell a green field from a cold steel rail? A smile from a veil? Do you think you can tell?
你能区别绿色的田野和冰冷的钢轨吗？微笑和面纱吗？你认为你能区别吗？
The structure of slide rail over and under type skid bed drawing steel rail has been introduced, and the strength and rigidity of main load -bearing slide rail have been calculated.
介绍了攀钢轨梁厂钢轨收集装置——滑轨升降式拉钢台架的结构，并计算了主要受力构件滑轨的强度和刚度。
Steel rail is an important component of track structure, and is also the primary infrastructure of high speed railway.
钢轨是轨道结构的重要部件，是高速铁路重要的基础设施。

Big black bags holding 250 pounds of dirty coveralls and uniforms are dumped from a rail system overhead into 450-pound steel washers big enough to scrub a small rhino.
FORBES: Dirty Laundry