PCB Polychlorinated Biphenyl 多氯联苯 ; 多氯化联二苯
polychlorinated biphenyl PCB 联苯
PCB (polychlorinated biphenyl) : Any of a class of highly stable organic compounds prepared by the reaction of chlorine with biphenyl, a two-ring compound.
多氯联苯：任何一种由氯与联苯反应生成的非常稳定的二环有机化合物。
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