字典網>> 英漢字典>> D開頭詞條>>duplex system的意思 漢英字典duplex system中文翻譯：【計】 雙重系統字典網duplex systemduplex system相關詞條：duplex tube duplex-independent duplexed duplex plunger pump duplex film duplex communication duplex carburetter duplex artificial circuit duplex ileum duplex channel