还有设计有特殊要求的须防火的分户门，如消防监控指挥中心、档案资料室、贵重物品仓库等的分户门，通常选用甲级或乙级防火门。

And the design of household door special requirements must fire door, such as fire control center, archives room, warehouse and other valuables, usually choose a or B fire door.

youdao

还有设计有特殊要求的须防火的分户门，如消防监控指挥中心、档案资料室、贵重物品仓库等的分户门，通常选用甲级或乙级防火门。

And the design of household door special requirements must fire door, such as fire control center, archives room, warehouse and other valuables, usually choose a or B fire door.

youdao