| 摘要 |
<p>The invention relates to a V-shaped trough (1) comprising two vertical side walls (2) joined by two converging top walls (3), said walls being provided with a plurality of openings (5), thereby making the grain columns between the rows of troughs (1) smaller inside the tower and increasing the speed of drying, since the thickness of the grain columns is reduced, thus shortening the drying time.</p> |
