| 摘要 |
<p>A tubular net has unorientated annular zones, and orientated annular zones which contract transversely upon heat shrinking; the net can be used for packaging or sleeving, the unorientated zones acting as end closures or neck holders and the ends of the orientated zones being heat shrunk to retain the other end of the article or articles being packaged or sleeved.</p> |
