復合絕緣引水管 insulated hot water heater: 保溫式水加熱器leads: 測深錘; 打椿機導柱; 龍門梃; 鉛條; 水道water-cooled oil-insulated transformer: 水冷油絕緣變壓器bgr type composite water softener: 型組合式軟水設備lzc type composite water softener: 組合式軟化水裝置下載手機詞典可隨時隨地查詞查翻譯