quality price differentials的意思|示意

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n.[物价] 质量差价，品质差价

质量差价 ... 指数化价格 index-linked price 制定价格 pricing 质量差价 quality price differentials ...

品质差价 ... quality plan ==> 质量规划 quality price differentials ==> 品质差价,质量差价 quality region ==> 含汽区 ...