fertilizer drill unit

例句：

1. 1.The fertilizer drill unit is used to mix and distribute the fertilizer in the soil.
   肥料钻机用于在土壤中混合和分配肥料。
2. 2. The fertilizer drill unit was designed to improve the quality of the crops.
   肥料钻机被设计用来提高作物的质量。
3. 3. The fertilizer drill unit is a crucial tool for farmers to increase the yield of their crops.
   肥料钻机是农民增加作物产量的关键工具。