以下为句子列表:
英文: Chronic bronchitis is a condition associated with excessive tracheobronchia mucus production sufficient to cause cough with expectoration for at least 3 months of the year for more than 2 consecutive years.
中文: 由于气管、支气管粘液分泌过多,引起咳嗽咯痰,1年中至少有3个月并连续2年以上者,称为慢性支气管炎。
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英文: Research on two culture methods for bronchia epithelia
中文: 2种气管黏膜上皮细胞体外培养技术的研究
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