expectoration of blood tinged sputum 咳出血染痰
blood tinged sputum
带血的痰
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Results All patients were accompanied with respiratory tracts' symptoms in various degrees. Blood tinged sputum was found in 14 patients.
结果均有不同程度的呼吸道症状，有14 例痰中带血丝。
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