字典網>> 英漢字典>> Q開頭詞條>>quaternary alloy的意思 漢英字典quaternary alloy中文翻譯：【機】 四元合金字典網相關詞條：quaternary ammonium hydrate quaternary quaternary phosphonium hydroxide quaternary cationics quaternary signaling quaternary multiplication quaternary ammoniun compounds quaternary phosphonium compound quaternary salt quaternary compound