It is necessary to pay attention to the external walls of the food warming and complex facades and at the Broken Bridge aluminum alloy windows and the glass wall system. 人們要重視外墻的保溫性，以及復合外墻加中空玻璃和斷橋鋁合金窗的圍護系統。
Vacuum ball perlite glassy beads are suitable for all kinds of internal and external wall insulation and household wall, floor and access. 真空球珍珠巖?；⒅檫m合于各種墻體內外保溫及分戶(hù)隔墻，樓層，通道。
