| 摘要 |
<p>A corrugated decking (10) having a plurality of top horizontal surfaces (20), a plurality of bottom surfaces (14), and a plurality of transition surfaces (16), each transition surface (16) connecting one of the top horizontal surfaces (20) to one of the bottom surfaces (14). One of the top horizontal surfaces (20) has a plurality of apertures (18,20), the apertures (18, 20) having downwardly sloping flanges (22, 24) surrounding each aperture (18, 20).</p> |
