1. Tractor market appeared 2004 a better prices, expression is large and medium-sized tractor market maintains high speed growth, small-sized tractor market is in stability. 2004年拖拉机市场出现了较好的一波行情，表现为大中型拖拉机市场保持高速增长，小型拖拉机市场处于稳定。
2. Tractor market appeared 2004 a better prices, expression is large and medium-sized tractor market maintains high speed growth, small-sized tractor market is in stability. 2004年拖拉机市场出现了较好的一波行情，表现为大中型拖拉机市场保持高速增长，小型拖拉机市场处于稳定。
3. The foreign tractor oil has been upgraded from monopurpose oil to super tractor oil universal along with the development of tractor. 随着拖拉机的发展，国外拖拉机油从单用途油发展到超级通用油。
4. The test track of wheeled tractor is an importance test spot for comprehensive test for tractor integral working performance. 轮式拖拉机试车跑道是综合检验轮式拖拉机工作过程中整体性能的一个重要的试验场所。
5. Having analysis on the working principle of the whole tractor system including diesel engine and rototiller, we worked out the way of how to eliminate the impotence of tractor with rototiller. 通过对拖拉机、发动机和旋耕机整个系统工作原理分析，找出了解决拖拉机带旋耕机“无力”问题的方法。
