GB 50222-2017 第4.0.5条
| | For important rooms such as the fire control room, the ceiling and walls shall use Class A decoration materials, and the floor and other decorations shall use decoration materials not lower than Class B1. |
| | For important rooms such as the fire control room, the ceiling and walls shall use Class A decoration materials, and the floor and other decorations shall use decoration materials not lower than Class B1. |
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