plow pan

例句：

1. 1. The farmer used a plow pan to break the frozen soil.
   农民用犁头破开冻土。
2. 2. The plow pan was essential for breaking up the hard ground.
   犁头对于打破硬土地至关重要。
3. 3.The farmer had to use a plow pan to prepare the field for planting.
   农民不得不使用犁头来准备田地进行播种。