摘要
我国大中型拖拉机处在以更新为主的发展阶段,本文通过对我国大中型拖拉机升级换代的研究,提出了产品升级换代存在的问题与对策。
The development of medium and big sized tractor in China has been gone into the stage oftaking replacement as the main connotation. The paper discusses the problems along with the products' up-dating in such a condition and gives some countermeasures.