字典網>> 英漢字典>> D開頭詞條>>duplex tube的意思 漢英字典duplex tube中文翻譯:【電】 雙工管duplex tube字典網相關詞條:duplex channel duplexing assembly duplex pump duplex working duplex film duplex head milling machine duplex running duplexor duplex balance duplex reciprocating pump