GB 50222-2017 第2.0.10条
| | **Evacuation corridor**: refers to the passage in a building used for occupant evacuation, including hotel corridors, lobbies, etc. Its decoration materials (walls, floors, ceilings) must be Class A materials. |
| | **Evacuation corridor**: refers to the passage in a building used for occupant evacuation, including hotel corridors, lobbies, etc. Its decoration materials (walls, floors, ceilings) must be Class A materials. |
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