power-driven reciprocating harrow

例句：

1. 1. The farmer uses a power-driven plow to till the fieldsevery spring.
   这位农民每年春天都使用动力驱动的犁来翻耕田地。
2. 2.The power-driven harrow is anessential tool for preparing the soil for planting.
   动力驱动的犁是准备土壤种植的重要工具。
3. 3. The power-driven harrowhas been used in agriculture for centuries,helping farmers improve their yields.
   动力驱动的犁在农业中已经使用了数百年，帮助农民提高产量。