字典網>> 英漢字典>> D開頭詞條>>Direct Copper Blue 2R的意思 漢英字典Direct Copper Blue 2R中文翻譯：【化】 直接銅鹽藍2R 相關詞條：directly heated rotary dryer direct contact seal direct hernia direct resistance-coupled ampli-fier directivity of an antenna direct reading meter direct-current ammeter direct-coupled transistor logic direct centrifugal flotation method direct scanning