flexible crawler tractor

例句：

1. 1. This flexiblecrawler tractor is perfect for heavy-duty work.
   这台灵活的履带式拖拉机非常适合重工作。
2. 2.The flexible crawler tractor has a powerful engine and can easily move heavy loads.
   这台灵活的履带式拖拉机有一个强大的引擎，可以轻松地移动沉重的货物。
3. 3.The flexible crawler tractor is widely used in agriculture to help farmers with their planting and harvesting tasks.
   灵活的履带式拖拉机在农业中广泛使用，帮助农民进行种植和收割工作。