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GB 50242-2002 第10.2.1条 Code for Acceptance of Construction Quality of Building Water Supply, Drainage and Heating Engineering

Indoor drainage给排水

GB 50242-2002 第10.2.1条

| **** | Buried or concealed drainage pipes must undergo a water-filling test before concealment, and the water-filling height shall be no lower than the upper edge of the ground-floor sanitary fixtures or the ground-floor level. |

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