GB 50041-2020 第6.3.5条
| **** | When boilers are used to supply domestic hot water directly, the water quality shall comply with the current national standards, and measures shall be taken to prevent scaling and corrosion. |
| **** | When boilers are used to supply domestic hot water directly, the water quality shall comply with the current national standards, and measures shall be taken to prevent scaling and corrosion. |
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