GB 50242-2002 第12.2.1条
| **** | Drain plugs and floor drains shall be installed level and secure, set below the drainage surface, with no leakage around the perimeter. The water seal height of floor drains shall not be less than 50mm. |
GB 50242-2002 第12.2.1条 Code for Acceptance of Construction Quality of Building Water Supply, Drainage and Heating Engineering
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- 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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