| 摘要 |
<p>A cast iron road stud has a solid body 10 of which the undersurface 16 lies flush with the road surface. A depending root or boss 26 is anchored in a hole drilled in the road surface. A dovetailed reflective insert 18 fits in an undercut recess 14, being inserted from underneath the stud in the direction of arrow A. <IMAGE></p> |
