For construction materials, it is common to receive discounts for bulk purchases, so the unit purchase cost declines as quantity increases.
建筑材料,是很常见的获得批量采购的折扣,所以购买的单位成本下降,从量的增加。
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From two aspects of the foundation unit price and the engineering unit price, this paper briefly expounds the influence of the construction organization plan on the construction cost, an.