railroad rail meaning in English
钢轨
Examples
- At present an important subject is researched on prediction methods of the initiation life of rolling / sliding contact fatigue of surface hardening layer based on shakedown theories under cycle contact loading for the strategies of applications of contact element , such as gears , bearings , and railroad rails
接触体表面强化(喷丸、涂层)层的疲劳裂纹萌生寿命的研究，是当前齿轮、轴承等接触件失效分析中的前沿课题。它具有重要而广泛的工程背景。