GB 50015-2019 第1.0.3条
| | Building water supply and drainage design shall comply with the Standards for Drinking Water Quality (GB 5749), and the water quality of the hotel's domestic water supply system must meet this standard. |
| | Building water supply and drainage design shall comply with the Standards for Drinking Water Quality (GB 5749), and the water quality of the hotel's domestic water supply system must meet this standard. |
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