| 摘要 |
A ground surface access cover (12) includes a substantially planar part (20) and a reinforcement arrangement (16). The reinforcement arrangement (16) is located on an underside in use of the planar part (20), and includes an elongate main reinforcement part (22). The reinforcement arrangement (16) further includes deformation reducing means (24, 26). The deformation reducing means (24, 26) includes an elongate auxiliary reinforcement part (24) which is located substantially alongside the main reinforcement part (22) and aligned substantially in the same direction as the main reinforcement part (22). |
