I accidentally scuffed the heel of one shoe on a paving stone.

我的一只鞋跟偶然擦到铺路。

The paving process of asphalt paver and the action between mixture and screed are analyzed in order to solve the problems in kinematics model of screeding unit.

解决沥青混凝土摊铺机熨平装置运动学模型存在的问题,分析摊铺机的摊铺过程以及混合料与熨平板之间的作用关系。