GB 50242-2002 第7.2.4条
| **** | **The diameter and minimum slope of drainage pipes for sanitary fixtures must comply with design requirements.** (Anti-clogging requirements for high-flow drainage in hotels, such as bathtubs and washbasins) |
| **** | **The diameter and minimum slope of drainage pipes for sanitary fixtures must comply with design requirements.** (Anti-clogging requirements for high-flow drainage in hotels, such as bathtubs and washbasins) |
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