Also it is the valuation criterion of material price dynamic variation and basis of the material valuation for bidding bottom of construction bid and tender quotation.
同时，它也是材料价格动态变化的计价依据，施工招标标底、投标报价的材料费计价的基础。
Also it is the valuation criterion of material price dynamic variation and basis of the material valuation for bidding bottom of construction bid and tender quotation.
同时，它也是材料价格动态变化的计价依据，施工招标标底、投标报价的材料费计价的基础。
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