| 摘要 |
A pneumatic seeding unit includes a seed tank, a body with an intake chamber, an ejector of excessive seeds, a cover of the body with a low-pressure chamber, a cover plate, in which an opening is made according to the shape of the low-pressure chamber, a seeding plate with sucking openings. In the wall of the low-pressure chamber the opening is made, this connects the low-pressure chamber with atmosphere, wherein a valve is arranged,. |
