血管紧张素n不具备的作用是（）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32353' and id < 2571410 and id<>'2571410' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32353' and id > 2571410 and id<>'2571410' order by id asc limit 5