论文部分内容阅读
一般播种机都有两片前面相接近的圆盘式开沟器,而索尔维兹林场的施业区主任 T。里别洛夫所设计的播种机则不同,他在宽输缘的机轮上安装一条播种深度限制环,由它压出播种沟。
The general seeders have two disk openers in close proximity to the front, while the director of the service area at Solvitz Forest Farm T. Riebelov designed a seeder that differed in that he installed a sowing depth limit ring on the wide-flanged wheel and pressed it out of the seeding ditch.