Materials and Methods: Parotid sialography was performed in 87 patients with SS.The abnormal changes of parotid duct were analysed.是什么意思_Materials and Methods: Parotid sialography was performed in 87 patients with SS.The abnormal changes of parotid duct were analysed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句