Methods:We used the pulled out mandibular incisor to prepare transparent specimens and observed the shape of root canal in strong natural lig ht.是什么意思_Methods:We used the pulled out mandibular incisor to prepare transparent specimens and observed the shape of root canal in strong natural lig ht.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句