As an industrial mineral, kyanite contains high Al2 O3 and very low Fe2O3 and has the feature of volume expansion during high-temperature separation.是什么意思_As an industrial mineral, kyanite contains high Al2 O3 and very low Fe2O3 and has the feature of volume expansion during high-temperature separation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句