| 摘要 |
The ditch has a ditch body comprising supporting units, which are connected with each other. Each supporting unit is a frame unit (1), which comprises profiles (2, 3) that are connected together, where the profiles are designed in a bar shaped manner. A covering unit is attached on a section of the ditch body, where the covering unit is a gitter plate. A geo textile material is applied on the gitter plate. A pipe section is arranged in an inner side of the body. The profiles are made of plastic i.e. thermosetting plastic. |
