风选机

例句：

1. 1. The windpicker is used to separate the wheat fromthe chaff.
   风选机用于将麦子与麦壳分离。
2. 2. The windpicker is an essential tool for graincleaning.
   风选机是粮食清理中必不可少的工具。
3. 3. The wind picker has provento be a highly effective method for separating grains.
   风选机已被证明是一种非常有效的分离谷物的方法。