| 摘要 |
: Method and apparatus for ventilating a building, in the rooms of which building there is induced a pressure that is different from the outside pressure. Air on one side of the wall of the building is led through openings in the external surface of the wall to the other side of the wall through air permeable insulation materials which are disposed in the wall and is directed by essentially impermeable directing materials which are placed in the wall. |
