Objective:To investigate the effect of high frequency electric cautery on chronic dacryocystitis caused by nasolacrimal duct obstruction.是什么意思_Objective:To investigate the effect of high frequency electric cautery on chronic dacryocystitis caused by nasolacrimal duct obstruction.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句