引起左心室后负荷增高的主要因素是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30847' and id < 2484353 and id<>'2484353' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30847' and id > 2484353 and id<>'2484353' order by id asc limit 5