字典網>> 英漢字典>> D開頭詞條>>duplex roller chain的意思 漢英字典duplex roller chain中文翻譯：【化】 雙滾子鏈字典網相關詞條：duplex pull rod duplex-independent duplex computer duplex apparatus duplexed duplex duplex cable duplex register duplex artificial line duplexing assembly