• 联苯任何一种联苯反应生成非常稳定二环有机化合物

    PCB (polychlorinated biphenyl) : Any of a class of highly stable organic compounds prepared by the reaction of chlorine with biphenyl, a two-ring compound.

    www.tdict.com

  • 联苯任何一种联苯反应生成非常稳定二环有机化合物

    PCB (polychlorinated biphenyl) : Any of a class of highly stable organic compounds prepared by the reaction of chlorine with biphenyl, a two-ring compound.

    www.tdict.com

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