动脉导管未闭时，其分流水平主要位于（     ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25738' and id < 2163351 and id<>'2163351' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25738' and id > 2163351 and id<>'2163351' order by id asc limit 5