患者，男，40岁。胸闷气促2天入院。查肺功能示：VC%60%，MVV%78%，FEV1.0%80%，RV/TLC%30%，VC50%和VC25%均为70%，TLC为3800mL。该患者最可能的通气功能障碍是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30493' and id < 2462289 and id<>'2462289' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30493' and id > 2462289 and id<>'2462289' order by id asc limit 5