wave-type deformation of rail head

例句：

1. 1. The wave-type deformation of therail head is a critical factor in determiningits performance.
   钢轨头部的波型变形是决定其性能的关键因素。
2. 2. The wave-type deformation of the rail head canbe caused by various factors, including temperatureand humidity changes.
   钢轨头部的波型变形可能由温度和湿度变化等多种因素引起。
3. 3. In order to improve the performanceof the rail head, it is necessaryto understand the wave-type deformation mechanism.
   为了提高钢轨头部的性能，有必要了解波型变形机制。