GB 50500-2013 第9.3.1条
| **** | **Price fluctuation adjustment (price index method)**: When contract price is affected by fluctuations in the prices of labour, materials, engineering equipment, and machinery shift rates, the price index method or cost information may be used to adjust the price difference. Where no provision is made in the contract, reference may be made to the price adjustment coefficients issued by the provincial or industry construction authorities. |