grit separator

例句：

1. 1. The grit separator is used to separate the larger rocks from the smaller ones.
   砾石分离器用于将较大的石头与较小的石头分开。
2. 2.The gravel separator was designed to improve the quality of the gravel for road construction.
   砾石分离器被设计用来提高道路建设中砾石的质量。
3. 3. The gravel separator is an essential tool for maintaining cleanliness in industrial environments.
   砾石分离器是保持工业环境清洁的重要工具。