| 摘要 |
A mounted straw shredder to a grain combined harvester comprises a shredding unit, a screw arranged under the latter in a case, a chute board and a fan with a pneumatic piping and also a chute board for guiding the straw mass to the screw. The working surface of the chute board is equipped with openings formed by cutting the material of the chute and opposed conic stamping. |
