seeder unit meaning in English

排种器
排种装置

In this paper , the structure and main parameters of furrow - ridge - opener are analyzed . the soil load characteristics of the ridge - opener were measured in the soil bin ; the regression equation of the traveling force resistance was formulated . the working performace and characteristics of the water - application - furrow seeder unit were analyzed
在本文中，对起垄开沟器的结构形式及主要参数进行了理论分析，并通过土槽对起垄翼的主要性能参数进行了回归实验，得到了牵引阻力的回归模型。