GB 50500-2013 第5.2.2条
| **** | The unit prices of materials and engineering equipment shall be determined based on the engineering cost information published by the engineering cost management agency (e.g., stone, sanitary ware, lighting fixtures commonly used in hotels); where no information price has been published, market prices shall be referenced (the source must be noted, e.g., "with reference to the Q2 2023 quotation of XX Building Materials Market"). |