| 摘要 |
<p>A method for processing tobacco comprises threshing tobacco leaves to form a mixture of free lamina, clean stem pieces from which lamina has been completely or substantially completely removed and unclean stem pieces which have useful pieces of lamina attached thereto, sifting to separate the clean stem pieces from the unclean stem pieces and subjecting the unclean stem pieces to additional threshing by recycling the unclean stem pieces to the thresher. The apparatus for carrying out the method may comprise a sieve.</p> |
