| 摘要 |
<p>The present invention relates to a system for forming a vegetative textile element comprising a first impermeable layer having a back face and a front face, a second layer comprising a synthetic felt provided with a water retention capacity and having a back face and a front face, said back face of said second layer facing said front face of said first impermeable layer and a third layer of synthetic polymer having openings as well as a back face and a front face, said back face of said third layer facing said front face of said second layer comprising a synthetic felt.</p> |
