Tests show Fe was deposited in porous alumina only in ferrous solution with JF,and the color of the oxide film darkens gradually with the Fe-content in the oxide film,but their relation is not a simple linear rule and the real black can not be gained.是什么意思_Tests show Fe was deposited in porous alumina only in ferrous solution with JF,and the color of the oxide film darkens gradually with the Fe-content in the oxide film,but their relation is not a simple linear rule and the real black can not be gained.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句