rail surface

基本解釋

In this paper an investigation has been made into rail surface defects by way of metallographical test and electronic probe test.
采用金相檢驗和電子探針的方法，對鋼軌表面缺陷進行了檢驗分析。
The maxim equivalent stress and shear stress occur close to the rail surface if the wheel-rail contact point approaches the rail joint.
最大等效應力和最大主剪應力的位置隨接觸點到軌縫距離的減小而接近軌面；
The influences of excitation mechanisms such as rail surface roughness, roller eccentricity and roller flat on the high frequency vibration were investigated.
分析了導軌表面粗糙度、導輪偏心和扁疤等激勵對電梯高頻振動的影響。

He knelt down and crawled from the switch rails to the frog of the crossover, sliding his hand along the running surface and the head of the rail and feeling for possible corrugations or dents, or burrs shaved off by the wheels of the locomotives.
NEWYORKER: Among Animals and Plants