A new basic resin,polyvinylchloride-polyethylene polyamine(PVC-PP),was synthesized and the structure was characterized by IR and elementary analysis.是什么意思_A new basic resin,polyvinylchloride-polyethylene polyamine(PVC-PP),was synthesized and the structure was characterized by IR and elementary analysis.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句