| 摘要 |
<p>The wintergarden is constructed from insulating panel sandwich elements of steel plate on both sides, galvanized and lacquered, with inner foam insulation, lacquered aluminum on both sides with foam insulation on the inside, lacquered aluminum on one side and galvanized and lacquered steel plate with inner foam insulation, lacquered aluminum on one side and plastic on one side, with inner foam insulation, or other combinations of the aforesaid materials.</p> |
