This study evaluated the retention of two types of metal full crowns by surfacetreatment of different methods and lution with three types of luting agents.是什么意思_This study evaluated the retention of two types of metal full crowns by surfacetreatment of different methods and lution with three types of luting agents.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句