| 摘要 |
The implement consists of a main chassis (31) with rotary driven harrowing tools (30) and a second chassis (10) with soil lump breaking rollers (40, 41), connected by independent articulated frames (50) located on either side of the implement's lengthwise median plane. The frames (50) are connected to the two chassis by uprights (14. 32), levers (54), beams (80) and hydraulic power cylinders (70) that can be operated from a control cab to give the required soil tilth.
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