granular-bed separator

例句：

1. 1. The granular bed separator is used to separate different sizes of particles in a material.
   颗粒床分选机用于分离物料中不同尺寸的颗粒。
2. 2. The granular bed separator is an important tool in the process of separating impurities from aliquid.
   颗粒床分选机是分离液体中的杂质过程中的重要工具。
3. 3. The granular bed separator can be used for separating different types of materials based on their density and size.
   颗粒床分选机可以根据材料密度和大小的不同进行分离。