路面平整机

例句：

1. 1. The construction crew used a flatbed truck to transport the heavy equipment to the construction site.
   施工队使用平板卡车将重型设备运送到施工现场。
2. 2. The engineer designed a special machine for smoothing the surface of the road.
   工程师设计了一台特殊的机器，用于平整道路表面。
3. 3. After the road was leveled, they started laying asphalt and paving stones.
   道路平整后，他们开始铺设沥青和铺石。