pass-over mill

例句：

1. 1. The pass-over mill is a crucial part of the transportation infrastructure in this region.
   过境磨坊是该地区交通基础设施的重要组成部分。
2. 2. The milling process involves passing the grain through a series of rollers to remove impurities and convert it into flour.
   磨粉过程包括将谷物通过一系列辊子，以去除杂质并将其转化为面粉。
3. 3. The pass-over mill is used to separate the kernel from the husk during the millingprocess.
   在磨粉过程中，过境磨坊用于分离内核和外壳。