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GB 50242-2002 第7.2.1条 Code for acceptance of construction quality of building water supply and drainage and heating engineering

Sanitary fixtures给排水

GB 50242-2002 第7.2.1条

| **** | **Drain plugs and floor drains shall be installed level, secure, and below the drainage surface, with no leakage around the perimeter. The water seal height of floor drains shall not be less than 50 mm.** (Key requirement for odor prevention in hotel guest room and public restroom floor drains) |

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GB 50242-2002 第2.0.2条Code for Acceptance of Construction Quality of Building Wat…
GB 50242-2002 第2.0.3条Code for acceptance of construction quality of building wat…
GB 50242-2002 第2.0.4条Code for Acceptance of Construction Quality of Building Wat…
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