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阐述了２ＢＴ－３型大豆宽台精密耕播机的整体构思和主要零部件的设计选择．该机是根据农艺提出的大豆宽台栽培法而研制的与之配套的新型多功能联合耕播机，可进行起台、施肥、播种及中耕等作业。作业幅宽４３０５ｍｍ（３个台共９行），作业速度６～ｇｋｍ／ｈ，配套动力为东方红－７５／８０２拖拉机．试验、鉴定结果认为，此项研究为大豆和其它中耕作物的机械化高产栽培探索出了又一新途径。
The overall conception and design of main components of 2BT-3 Soybean Broad-frame Precision Sowing Machine are expounded. The machine is a new multi-functional combined tillage machine which is developed according to the soybean broad-leaved cultivation method proposed by agronomy and can be used for starting up, fertilizing, sowing and cultivation. Operating width 4305mm (3 sets of a total of 9 lines), operating speed 6 ~ gkm / h, supporting power for the East Hong-75/802 tractors. According to the results of the experiment and appraisal, this study explores another new approach for mechanized high-yield cultivation of soybean and other cultivated crops.