GB 50054-2011 第3.3.4条
| | Distribution circuits in densely occupied areas of the hotel such as **guest rooms and corridors** shall use **low smoke zero halogen (LSZH)** cables to reduce the hazard of toxic smoke in a fire. |
| | Distribution circuits in densely occupied areas of the hotel such as **guest rooms and corridors** shall use **low smoke zero halogen (LSZH)** cables to reduce the hazard of toxic smoke in a fire. |
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