| 摘要 |
<p>The attachment, assembled of a frame (1) with a three point suspension (2), a sowing unit (6), and a soil processing unit (5), is also fitted with a soil compressing device (3, 4), designed as a number of parallel positioned wheels, joined in order to serve as a drum. The wheels are arranged in a central unit and two lateral units which can be connected when used on the field, but separated in order to adjust to different conditions when driven along the road.</p> |
