| 摘要 |
<p>The wall has tubes arranged vertically to each other, where each tube comprises an external sealed skin, an internal micro perforated or a micro porous internal skin and an absorbing and filtering intermediate skin, where the absorbing and filtering intermediate skin is represented by a geotextile felt non-woven sheet. The external sealed skin is made of rigid PVC. The external skins include dimensions in pre-cut to suit any opening or a drawing in the wall. A special composition substrate is made of a mineral/plant mixture at an interior of the tube.</p> |
