Objectives To observe different efficacy of chronic renal failure (CRF )trentment by traditional retention enema and the improved retention enema.是什么意思_Objectives To observe different efficacy of chronic renal failure (CRF )trentment by traditional retention enema and the improved retention enema.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句