halogensn.卤族名词halogen的复数形式.halogenn.卤素halogen sensitive leak detector卤素灵敏探漏器halogen-free fire-retardant无卤阻燃halogen- flee flame retardant无卤阻燃剂halogen-metal interconversion卤素-金属互换作用halogen-exchange fluorination卤素交换氟化halogenated aryl-arsonic acid卤代芳胂酸halogenated extinguishing agent卤代烷灭火剂Halogen-free Flame Retardation无卤阻燃halogenated hydrocarbon promoter卤代烃促进剂halogenated aralkyl-aryl ether卤化芳烷基-芳基醚