reactive Fe活性铁reactiveadj.反应的；反作用的；活性的Reactive dye dyeing活性染料染色reactive gas hazard活性气体危险reactive surfactant反应性乳化剂reactive voltampere无功伏安reactive metabolite活性代谢物reactive resistance电抗reactive power flow无功功率流reactive emulsifier反应性乳化剂reactive aggregates活性骨料Reactive excitement反应性兴奋