支气管哮喘发作时，呼气期两肺普遍性哮鸣音，其 原因最主要是(    )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26321' and id < 2201339 and id<>'2201339' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26321' and id > 2201339 and id<>'2201339' order by id asc limit 5