表明小型轮式拖拉机叶轮与胶轮并装可提高旱地作业，特别是重负荷作业时的牵引附着性能。

So small tractors fitted with iron wheel with lugs can improve tractive and appendiculate performance of tractor in dry land.

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轮式拖拉机特别是小型轮式拖拉机在田地进行重负荷作业时，牵引附着性能差，驱动轮滑转严重，造成牵引效率低、油耗大是普遍现象。

Wheel tractors, especially small wheel tractors have some well-known disadvantages such as poor traction performance, driving wheel slipping, low traction efficiency and high fuel consumption.

youdao

轮式拖拉机特别是小型轮式拖拉机在田地进行重负荷作业时，牵引附着性能差，驱动轮滑转严重，造成牵引效率低、油耗大是普遍现象。

Wheel tractors, especially small wheel tractors have some well-known disadvantages such as poor traction performance, driving wheel slipping, low traction efficiency and high fuel consumption.

youdao