| 摘要 |
<p>A tractor-drawn rotating ring hoe (5) is fixed to an L-shaped horizontal frame and pivots (11) on the tractor draw bar (1). Soil loosened and lifted by the ring passes rearwards through the moving ring. The rotating ring hoe is height-adjustable within the supporting frame (3) and pivots (12) as required to avoid obstacles (H).</p> |
