字典網>> 英漢字典>> B開頭詞條>>back-to-back repeater的意思 漢英字典back-to-back repeater中文翻譯：【電】 背對背轉發器字典網英文字典相關詞條：backup program back tabulation back-off angle back order backward reference backroll back diode back lighting BACKSPACE statement back boarding