gravity flow screen

例句：

1. 1. The gravity flow screen is used to remove sediment from water before it reaches the treatment plant.
   重力流筛用于在水到达处理厂之前去除沉积物。
2. 2.The gravity flow screen is an essential tool for maintaining the cleanliness of industrial processes.
   重力流筛是保持工业过程清洁的必备工具。
3. 3. The gravity flow screen is designed to efficiently separate particles based on their size and density.
   重力流筛设计用来根据粒子的大小和密度高效分离。