high order tiller

例句：

1. 1. The high-order tiller is used for heavy soil preparation.
   高级拖拉机用于重土壤准备。
2. 2. The high-order tiller has a powerful engine and can handle tough tasks.
   高级拖拉机拥有强大的引擎，能够处理艰巨的任务。
3. 3. The high-order tiller was designed to improve agricultural efficiency.
   高级拖拉机被设计用来提高农业效率。