tar finisher

例句：

1. 1.The tar finisher is used to smooth the surface of asphalt before it is laid down.
   沥青拌和机用于铺设沥青之前，将其表面平滑。
2. 2.The tar finisher was used to prepare the road surface for the new asphalt.
   沥青拌和机被用来准备新沥青的道路表面。
3. 3.The tar finisher was used to remove any excess tar from the road surface.
   沥青拌和机被用来从道路表面去除任何多余的沥青。