GB 50015-2019 第4.4.2条
| In hotel buildings, the slope of horizontal drainage pipes shall be set according to the standard slopes: 0.035 for DN50, 0.025 for DN75, 0.020 for DN100, and 0.010 for DN150, and shall not be less than the minimum slope.
| In hotel buildings, the slope of horizontal drainage pipes shall be set according to the standard slopes: 0.035 for DN50, 0.025 for DN75, 0.020 for DN100, and 0.010 for DN150, and shall not be less than the minimum slope.
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