leveling planer

例句：

1. 1. The leveling planer was used to smooth the surface of the road.
   平地机被用来平整道路表面。
2. 2. The leveling planer is essential for leveling uneven terrains.
   平地机对于平整不平坦的地形至关重要。
3. 3. The leveling planer helped to create a smooth and even surface for the construction project.
   平地机帮助创造了一个光滑和均匀的表面，为建设项目。