摘要
本文介绍了新研制的２ＢＤ－４型多功能组合式精密播种机的结构设计特点，并对其播种性能进行了室内测试和田间试验研究。
The Structural of a new type precisiondrill 2BD-4mldel with multilateral function and Combinationswere described in this paper. The seeding functions of the drillwere stucied through laboratory experiment and fieldtest.
出处
《河南职业技术师范学院学报》
1995年第2期44-49,共6页
Journal of Henan Vocation-Technical Teachers College
