基本解释胺化同根派生 Polyaminating相关词英汉例句Keywords Polyvinyl Chloride-Polyethylene Polyamin resin;Phase transfter catalysis;benzalacetone;synthesis; 聚氯乙烯多乙烯多胺树脂;相转移催化;苄叉丙酮;合成;Polyaminating更多例句