| 摘要 |
<p>In a plastic grid structure comprised of first and second sets of intersecting generally transverse series of polymeric elongate members (12) in which the members of each set cross and intersect at more or less regular intervals with each other to form a net-like structure, the improvement comprising: providing at least some of the strand members of at least one of the sets with compound composite reinforced structure (10).</p> |
