| 摘要 |
<p>A synthetic surface having a flexible, backing member 3 and parallel rows of synthetic ribbons 7, representing blades of grass, projecting upwardly from the backing member, a relatively thick layer 9 of particulate material on the backing member supporting the ribbons in a relatively upright position relative to the backing member, the particulate material comprising a mixture of cryogenically ground rubber and sand.</p> |
