主要有钢质防火门、铝合金窗及百叶窗。

The door and window are designed as steel fire protective door, aluminum alloy window and shutter.

youdao

门窗设计：主要有钢质防火门、铝合金窗及百叶窗。

The door and window are designed as steel fire protective door, aluminum alloy window and shutter.

youdao

防火门专用豪仕莱特芯板（珍珠岩）主要适用于木质防火门、钢质防火门的防火填充材料；

Housrey special type fire door core board (perlite) Mainly applied to wooden fire door, steel fire door in the fire fill material;

youdao

防火门专用豪仕莱特芯板（珍珠岩）主要适用于木质防火门、钢质防火门的防火填充材料；

Housrey special type fire door core board (perlite) Mainly applied to wooden fire door, steel fire door in the fire fill material;

youdao