GB 50500-2013 第2.1条
| **Appendix C.** | **Water Supply and Drainage Engineering (Bathrooms/Kitchens)**: **Pipes** are measured by the length of the pipe centerline as shown on the design drawings in "m" (the length occupied by valves and fittings is not deducted). **Sanitary fixtures** (such as toilets, washbasins, showers) are measured by the quantity shown on the design drawings in "sets", with each set including the corresponding accessories (such as angle valves and hoses). |