magnetic trough separator

例句：

1. 1.The magnetic trough separator is used to separate iron from other metals in the ore.
   磁道分离器用于从矿石中分离铁和其他金属。
2. 2.The magnetic trough separator has a high efficiency in separating impurities from the raw material.
   磁道分离器在从原料中分离杂质方面效率很高。
3. 3. The magnetic trough separator is an essential tool for mineral processing plants.
   磁道分离器是矿物加工厂的必备工具。