鋁酸鈷 cobalt oxide: 氧化鈷aluminium oxide: 礬土; 剛玉; 三氧化二鋁; 氧化鋁cobalt hydroxide oxide: 氧羥化鈷,一羥氧化鈷; 一羥氧化鈷cobalt iron oxide tape: 鈷氧化鐵磁帶cobalt oxide for industrial purposes: 工業(yè)用氧化鈷下載手機詞典可隨時隨地查詞查翻譯