potato-sorting machine

例句：

1. 1. The potato-sorting machine is used to separate the potatoes from the rest of the produce.
   土豆分拣机用于将土豆与其他农产品分开。
2. 2.The potato-sorting machine has been designed to be easy to use and operate.
   土豆分拣机设计得易于使用和操作。
3. 3.The potato-sorting machine has proven to be an effective way to improve the quality of potatoes.
   土豆分拣机已被证明是一种有效提高土豆质量的方法。