Results:The chemical composition of urinary calculi was distinguished by color changing, precipitating and gas generating, then by the combination of positive reactions of ions.是什么意思_Results:The chemical composition of urinary calculi was distinguished by color changing, precipitating and gas generating, then by the combination of positive reactions of ions.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句