GB 50311-2016 第4.4.1条
| **** | Backbone subsystem: The hotel should be provided with independent ELV risers, with a floor distribution room (FD) on each floor or every other floor, and an equipment room (BD) reserved. |
| **** | Backbone subsystem: The hotel should be provided with independent ELV risers, with a floor distribution room (FD) on each floor or every other floor, and an equipment room (BD) reserved. |
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