GB 50242-2002 第6.2.5条
| **** | **Hot water pipes shall be installed with a slope directed toward the drain device.** Where not specified in the design, hot water pipes shall have a slope of not less than 0.003. |
| **** | **Hot water pipes shall be installed with a slope directed toward the drain device.** Where not specified in the design, hot water pipes shall have a slope of not less than 0.003. |
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