| 摘要 |
<p>Symmetrical body for equipping a plough having a single body assembly, suitable for ploughing in a first geographical direction when the beam supporting the body assembly is in a first lateral position, and for ploughing the earth in a second geographical direction when said beam is in the opposite lateral position, said body consisting of a plough board (1) forming an entry angle of between 10° and 30°, said plough board (1) having an average angle of incidence of between 30° and 45° and being essentially concave.</p> |
