Tetragonal zirconia polycrystal was used to toughen hydroxyapatite in this study.K IC index of bioactive composite was raised.是什么意思_Tetragonal zirconia polycrystal was used to toughen hydroxyapatite in this study.K IC index of bioactive composite was raised.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句