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两类化学结构和毒理学性质相似的三环多氯代芳香烃类化合物的简称,包括多氯代二苯并二英(polychlorinated dibenzo-p-dioxins; PCDDs)和多氯代二苯并呋喃(polychlorinated dibenzofurans; PCDFs),合称PCDD/F。
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