| 摘要 |
<p>The gully stone has a plate (3) with a water drainage connection (15), and a vat (2) with fitted frame (1). The frame has a divided support surface with fitted intake frame (6), and a cover (7) on a stop surface of the frame. The cover has ribs (9) and is located between neighboring walls of the intake frame. The end face of the intake frame has openings (13) with a stop (8) formed in the top edge. The openings are separated by ribs. The washable surface of the cover has a non-slip treatment.</p> |
