Hardinge countercurrent classifier

例句：

1. 1. The Hardinge countercurrentclassifier is a highly efficient tool for separating materials based on their density andsize.
   哈丁逆流式分选机是一种基于密度和尺寸高效分离材料的高级工具。
2. 2. In the field of mineral processing, the Hardinge countercurrentclassifier is widely used to separate oresfrom gangue.
   在矿物加工领域，哈丁逆流式分选机被广泛用于将矿石与脉石分离。
3. 3. Thedesign of the Hardinge countercurrentclassifier has been optimized to improve separationefficiency and reduce operational costs.
   哈丁逆流式分选机的设计理念已被优化，以提高分离效率并降低运营成本。