GB 50242-2002 第2.0.2条
| | **Drainage system**: A network that promptly discharges roof rainwater and the sewage and wastewater generated by daily life and production processes through pipes and auxiliary equipment. |
| | **Drainage system**: A network that promptly discharges roof rainwater and the sewage and wastewater generated by daily life and production processes through pipes and auxiliary equipment. |
12 hotel MEP experts online, answers cite standard clauses you can verify.
Ask free →Engineering reference only — verify against project conditions and the latest codes.