字典網>> 英漢字典>> Q開頭詞條>>quaternary ammoniun compounds的意思 漢英字典quaternary ammoniun compounds中文翻譯:【醫】 季銨化合物相關詞條:quaternary ammonium hydroxide quaternary compound quaternary multiplication quaternary system quaternary structure quaternary code quaternary cationics quaternary stibonium hydroxide quaternary ROM quaternary carbon atom