基本解釋制備同根派生 prepartion相關(guān)詞英漢例句The prepartion and relative determinations of new electroluminescence polymer PPV are reported in this paper.報(bào)道了新型電致發(fā)光材料聚對(duì)苯乙炔的制備過程和有關(guān)測試結(jié)果。prepartion更多例句