铺路机正在铺设砖块以建造新的人行道。

The ___paving machine is laying bricks to create a new walkway.

市政工人正在使用铺路机修复这条街道。

The city workers are using a ___paver to repair this street.

工人们正在用这些灰色的砖块铺设人行道。

The workers are using these gray ___pavers to lay the sidewalk.