permanent distortion

• 永久变形,残留变形

permanent distortion的用法和样例：

例句

1. At the effect of repeat traffic loading, the permanent deformation by hot weather and rutting is typical symptoms of asphalt pavement damage.
   在车辆荷载的反复作用下，高温时产生的永久变形和车辙是沥青路面的典型破环特征。