以下为句子列表:
英文: Several subclassifications have been proposed: ①simple chronic bronchitis describes a condition characterized by mucoid sputum production; ②chronic mucopurulent bronchitis is characterized by persistent or recurrent purulence of sputum in the absence of l
中文: 它可以分为以下几种类型:①单纯性慢性支气管炎,其特征为咳粘液性痰;②慢性粘液脓性支气管炎,其特征是反复的或持续的咳脓痰,但肺部并无化脓性病变,如支气管扩张;③慢性支气管炎伴阻塞,其特征为用力呼气肺活量测定时有气道阻塞的表现;④慢性哮喘性支气管炎,其特征是患者有长期的咳嗽及咯痰史,后来肺部出现哮鸣者,因此与哮喘伴慢性气管阻塞的病人不同。
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