GB 50015-2019 第2.1.15条
| Water-saving fixtures: the water efficiency grade of sanitary fixtures shall be no lower than Grade 2; for hotel buildings, toilet flush volume ≤6 L/flush and faucet flow rate ≤0.15 L/s. |
| Water-saving fixtures: the water efficiency grade of sanitary fixtures shall be no lower than Grade 2; for hotel buildings, toilet flush volume ≤6 L/flush and faucet flow rate ≤0.15 L/s. |
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