chain track tractor

例句：

1. 1.This new model of chain track tractor is more efficient than the old one.
   这款新型链条轨道拖拉机比旧款更高效。
2. 2.The chain track tractor was used to pull heavy loads across the field.
   链条轨道拖拉机被用来在田间拉动重载。
3. 3. The chain track tractor is a popular choice for farmers who need to transport large amounts of grain.
   对于需要运输大量谷物的农民来说，链条轨道拖拉机是一个受欢迎的选择。