| 摘要 |
<p>A post (10) including a hollow base portion (12) having a lower wall (13), an upper wall (14) that is spaced from said lower wall and a side wall (15) extending between and connected to said upper and lower walls. The post (10) also includes a tubular upright portion (11) having a transverse cross-sectional area that is smaller than the transverse cross-sectional area of the base portion ( 12), said upright portion (11) extending upwardly from said base portion (12) and being in fluid communication with said base portion (12).</p> |
