| 摘要 |
The cover has two walk-face sections (10, 11) that are connected, with respect to underlying connection portion (12) of drainage openings (13). The marginal support portions (20, 21) configured for supporting the cover in a floor built-collecting portion in drainage channel. The connecting portion is extended parallel to the support sections. The spacer elements are configured to form a defined gap between the support sections and a receiving portion. |
