| 摘要 |
<p>Retroreflective pavement marking material (10) comprising on the top surface thereof an exposed-lens retroreflective sheet (12) that comprises a monolayer of retroflective elements wherein first portions of the monolayer are arranged in an upwardly contoured profile (18) and second portions of the monolayer are arranged in a lower, substantially planar position (20).</p> |
