| 摘要 |
A multipurpose vacuum-type pneumatic seed drill consisting of a frame of pneumatic-tire running, a section of working elements, a drive mechanism, a fan, seeding units, drums, markers, tanks with a sowing unit shaped as a bud, consisting of a seed chamber, a shutter, a perforated tape, electric engines, a driven roller of a tension roller, an counter spring, a limiting projection, a vacuum duct, an opening in the body, the excessive seed ejector, a coulter, a regulating plate, shakers, a cover and attachment openings. |
