字典網>> 英漢字典>> D開頭詞條>>dual-purpose column的意思 漢英字典dual-purpose column中文翻譯：【化】 兩用柱; 兩用萃取柱字典網相關詞條：dual transfer pricing system dual cable broadband LAN dual aspect convention dual-sided diskette dual projection theorem dual functional dual approximation dual logging dual-port video RAM dual decay