combined fertilizer-and-seed drill

例句：

1. 1.The farmer used a combined fertilizer and seed drill to plant the crops.
   农民使用一种混合肥料和种子钻机来种植作物。
2. 2. The new technology combines both fertilizer and seed drill in one device.
   新技术将肥料和种子钻机结合在一起。
3. 3.The farmers are using this combined fertilizer and seed drill to improve the yield of their crops.
   农民们正在使用这种混合肥料和种子钻机来提高他们农作物的产量。