Entrusted sprocket, supporting wheels, wheel and rail links and so on, in the long running process, there will be a certain degree of wear and tear.

杂谈托链轮、支重轮、驱动轮及轨链节等，在长时间的运转过程中，会出现一定程度的磨损。

youdao

By means of the finite element theory, the inherent frequencies and vibration characteristics for existing rail line under different supporting conditions are analyzed.

运用有限元理论，分析了既有线路在不同支承条件下的固有频率和固有振动特性。

youdao

The characteristic of the temperature stress in the jointless switch lies in supporting additional temperature stress on the stock rail, the stress and the displacement presents the complex nature.

无缝道岔温度力的特点在于基本轨要承受附加温度力的作用，岔内钢轨受力和位移状况复杂。

youdao

Mr Obama's plans include creating an infrastructure bank to help finance transport projects, supporting high-speed rail and investing in subways and buses.

ECONOMIST: Infrastructure

Rail and supporting non-pipeline modes should be capable, as was projected in 2011, of providing the capacity needed to transport all incremental Western Canadian and Bakken crude oil production to markets if there were no additional pipeline projects approved.

FORBES: State Dept: Denying Keystone XL Would Not Slow Oil Sands Development

Derailed rail cars then struck columns supporting the Highway M overpass, causing it to buckle and partially collapse.

WSJ: Mo. highway buckles after rail cars hit overpass