rammer compactor

例句：

1. 1. The compactor is used to compact the soil before it is planted.
   压实机用于在种植前对土壤进行压实。
2. 2. The compactor has a powerful motor and can handle heavy loads.
   压实机拥有强大的电机，可以处理重负载。
3. 3. The compactor is essential for maintaining the stability of the road surface.
   压实机对于保持道路表面的稳定性至关重要。