permanent deformation是什么意思 permanent deformation怎么读
permanent deformation的相关资料
permanent deformation的用法和样例
- 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。
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