Methods:All of these cantilever bridges are 3-unit, two abutments and single cantilever pontic, and used for restoring the lost rear teeth.是什么意思_Methods:All of these cantilever bridges are 3-unit, two abutments and single cantilever pontic, and used for restoring the lost rear teeth.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句