| 摘要 |
<p>The PVC plastic slat is designed with two female grooves (2, 3) on its interior surface, which fits by sliding into the aluminium slat that has two tongues (8, 9) on its interior side and fits into the female grooves of the plastic. The plastic slat has two male strips (1) on its top, corresponding and fitting to the two female grooves of the first. On its exterior, near the base, there are two female grooves (4) for fitting the slat to the next slat below. On the top surface of the plastic slat, there are two aeration holes (10, 11). Also, incorporated into the interior, there are three reinforcing spines (7, 6, 5) that connect the two plastic outer surfaces. Two semicircular indents are designed into the exterior surface of the plastic on the outer side.</p> |
